70128040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 164520720

約数和(自身を除く): 94392680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 701, 820, 1220, 1402, 1640, 2440, 2501, 2804, 3505, 5002, 5608, 7010, 10004, 12505, 14020, 20008, 25010, 28040, 28741, 42761, 50020, 57482, 85522, 100040, 114964, 143705, 171044, 213805, 229928, 287410, 342088, 427610, 574820, 855220, 1149640, 1710440, 1753201, 3506402, 7012804, 8766005, 14025608, 17532010, 35064020, 70128040]

約数ペア:

[(1, 70128040), (2, 35064020), (4, 17532010), (5, 14025608), (8, 8766005), (10, 7012804), (20, 3506402), (40, 1753201), (41, 1710440), (61, 1149640), (82, 855220), (122, 574820), (164, 427610), (205, 342088), (244, 287410), (305, 229928), (328, 213805), (410, 171044), (488, 143705), (610, 114964), (701, 100040), (820, 85522), (1220, 57482), (1402, 50020), (1640, 42761), (2440, 28741), (2501, 28040), (2804, 25010), (3505, 20008), (5002, 14020), (5608, 12505), (7010, 10004)]