42040960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 112412160

約数和(自身を除く): 70371200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 163, 208, 248, 260, 310, 320, 326, 403, 416, 496, 520, 620, 640, 652, 806, 815, 832, 992, 1040, 1240, 1304, 1612, 1630, 1664, 1984, 2015, 2080, 2119, 2480, 2608, 3224, 3260, 3968, 4030, 4160, 4238, 4960, 5053, 5216, 6448, 6520, 8060, 8320, 8476, 9920, 10106, 10432, 10595, 12896, 13040, 16120, 16952, 19840, 20212, 20864, 21190, 25265, 25792, 26080, 32240, 33904, 40424, 42380, 50530, 51584, 52160, 64480, 65689, 67808, 80848, 84760, 101060, 104320, 128960, 131378, 135616, 161696, 169520, 202120, 257920, 262756, 271232, 323392, 328445, 339040, 404240, 525512, 646784, 656890, 678080, 808480, 1051024, 1313780, 1356160, 1616960, 2102048, 2627560, 3233920, 4204096, 5255120, 8408192, 10510240, 21020480, 42040960]

約数ペア:

[(1, 42040960), (2, 21020480), (4, 10510240), (5, 8408192), (8, 5255120), (10, 4204096), (13, 3233920), (16, 2627560), (20, 2102048), (26, 1616960), (31, 1356160), (32, 1313780), (40, 1051024), (52, 808480), (62, 678080), (64, 656890), (65, 646784), (80, 525512), (104, 404240), (124, 339040), (128, 328445), (130, 323392), (155, 271232), (160, 262756), (163, 257920), (208, 202120), (248, 169520), (260, 161696), (310, 135616), (320, 131378), (326, 128960), (403, 104320), (416, 101060), (496, 84760), (520, 80848), (620, 67808), (640, 65689), (652, 64480), (806, 52160), (815, 51584), (832, 50530), (992, 42380), (1040, 40424), (1240, 33904), (1304, 32240), (1612, 26080), (1630, 25792), (1664, 25265), (1984, 21190), (2015, 20864), (2080, 20212), (2119, 19840), (2480, 16952), (2608, 16120), (3224, 13040), (3260, 12896), (3968, 10595), (4030, 10432), (4160, 10106), (4238, 9920), (4960, 8476), (5053, 8320), (5216, 8060), (6448, 6520)]