51140080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 130063104

約数和(自身を除く): 78923024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1213, 1240, 1360, 2108, 2426, 2480, 2635, 4216, 4852, 5270, 6065, 8432, 9704, 10540, 12130, 19408, 20621, 21080, 24260, 37603, 41242, 42160, 48520, 75206, 82484, 97040, 103105, 150412, 164968, 188015, 206210, 300824, 329936, 376030, 412420, 601648, 639251, 752060, 824840, 1278502, 1504120, 1649680, 2557004, 3008240, 3196255, 5114008, 6392510, 10228016, 12785020, 25570040, 51140080]

約数ペア:

[(1, 51140080), (2, 25570040), (4, 12785020), (5, 10228016), (8, 6392510), (10, 5114008), (16, 3196255), (17, 3008240), (20, 2557004), (31, 1649680), (34, 1504120), (40, 1278502), (62, 824840), (68, 752060), (80, 639251), (85, 601648), (124, 412420), (136, 376030), (155, 329936), (170, 300824), (248, 206210), (272, 188015), (310, 164968), (340, 150412), (496, 103105), (527, 97040), (620, 82484), (680, 75206), (1054, 48520), (1213, 42160), (1240, 41242), (1360, 37603), (2108, 24260), (2426, 21080), (2480, 20621), (2635, 19408), (4216, 12130), (4852, 10540), (5270, 9704), (6065, 8432)]