70781680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28541}}^1$

素因数の和:28585

約数の個数: 40

約数和(自身を含む): 169881984

約数和(自身を除く): 99100304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28541, 57082, 114164, 142705, 228328, 285410, 456656, 570820, 884771, 1141640, 1769542, 2283280, 3539084, 4423855, 7078168, 8847710, 14156336, 17695420, 35390840, 70781680]

約数ペア:

[(1, 70781680), (2, 35390840), (4, 17695420), (5, 14156336), (8, 8847710), (10, 7078168), (16, 4423855), (20, 3539084), (31, 2283280), (40, 1769542), (62, 1141640), (80, 884771), (124, 570820), (155, 456656), (248, 285410), (310, 228328), (496, 142705), (620, 114164), (1240, 57082), (2480, 28541)]