56805640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 134277120

約数和(自身を除く): 77471480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 751, 1220, 1240, 1502, 1891, 2440, 3004, 3755, 3782, 6008, 7510, 7564, 9455, 15020, 15128, 18910, 23281, 30040, 37820, 45811, 46562, 75640, 91622, 93124, 116405, 183244, 186248, 229055, 232810, 366488, 458110, 465620, 916220, 931240, 1420141, 1832440, 2840282, 5680564, 7100705, 11361128, 14201410, 28402820, 56805640]

約数ペア:

[(1, 56805640), (2, 28402820), (4, 14201410), (5, 11361128), (8, 7100705), (10, 5680564), (20, 2840282), (31, 1832440), (40, 1420141), (61, 931240), (62, 916220), (122, 465620), (124, 458110), (155, 366488), (244, 232810), (248, 229055), (305, 186248), (310, 183244), (488, 116405), (610, 93124), (620, 91622), (751, 75640), (1220, 46562), (1240, 45811), (1502, 37820), (1891, 30040), (2440, 23281), (3004, 18910), (3755, 15128), (3782, 15020), (6008, 9455), (7510, 7564)]