2000487040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1818

約数の個数: 128

約数和(自身を含む): 5023296000

約数和(自身を除く): 3022808960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 295, 310, 320, 472, 496, 590, 620, 640, 944, 992, 1180, 1240, 1709, 1829, 1888, 1984, 2360, 2480, 3418, 3658, 3776, 3968, 4720, 4960, 6836, 7316, 7552, 8545, 9145, 9440, 9920, 13672, 14632, 17090, 18290, 18880, 19840, 27344, 29264, 34180, 36580, 37760, 52979, 54688, 58528, 68360, 73160, 100831, 105958, 109376, 117056, 136720, 146320, 201662, 211916, 218752, 234112, 264895, 273440, 292640, 403324, 423832, 504155, 529790, 546880, 585280, 806648, 847664, 1008310, 1059580, 1093760, 1170560, 1613296, 1695328, 2016620, 2119160, 3125761, 3226592, 3390656, 4033240, 4238320, 6251522, 6453184, 6781312, 8066480, 8476640, 12503044, 12906368, 15628805, 16132960, 16953280, 25006088, 31257610, 32265920, 33906560, 50012176, 62515220, 64531840, 100024352, 125030440, 200048704, 250060880, 400097408, 500121760, 1000243520, 2000487040]

約数ペア:

[(1, 2000487040), (2, 1000243520), (4, 500121760), (5, 400097408), (8, 250060880), (10, 200048704), (16, 125030440), (20, 100024352), (31, 64531840), (32, 62515220), (40, 50012176), (59, 33906560), (62, 32265920), (64, 31257610), (80, 25006088), (118, 16953280), (124, 16132960), (128, 15628805), (155, 12906368), (160, 12503044), (236, 8476640), (248, 8066480), (295, 6781312), (310, 6453184), (320, 6251522), (472, 4238320), (496, 4033240), (590, 3390656), (620, 3226592), (640, 3125761), (944, 2119160), (992, 2016620), (1180, 1695328), (1240, 1613296), (1709, 1170560), (1829, 1093760), (1888, 1059580), (1984, 1008310), (2360, 847664), (2480, 806648), (3418, 585280), (3658, 546880), (3776, 529790), (3968, 504155), (4720, 423832), (4960, 403324), (6836, 292640), (7316, 273440), (7552, 264895), (8545, 234112), (9145, 218752), (9440, 211916), (9920, 201662), (13672, 146320), (14632, 136720), (17090, 117056), (18290, 109376), (18880, 105958), (19840, 100831), (27344, 73160), (29264, 68360), (34180, 58528), (36580, 54688), (37760, 52979)]