80927080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8234

約数の個数: 64

約数和(自身を含む): 206438400

約数和(自身を除く): 125511320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 8191, 9880, 16382, 32764, 40955, 65528, 81910, 106483, 155629, 163820, 212966, 311258, 327640, 425932, 532415, 622516, 778145, 851864, 1064830, 1245032, 1556290, 2023177, 2129660, 3112580, 4046354, 4259320, 6225160, 8092708, 10115885, 16185416, 20231770, 40463540, 80927080]

約数ペア:

[(1, 80927080), (2, 40463540), (4, 20231770), (5, 16185416), (8, 10115885), (10, 8092708), (13, 6225160), (19, 4259320), (20, 4046354), (26, 3112580), (38, 2129660), (40, 2023177), (52, 1556290), (65, 1245032), (76, 1064830), (95, 851864), (104, 778145), (130, 622516), (152, 532415), (190, 425932), (247, 327640), (260, 311258), (380, 212966), (494, 163820), (520, 155629), (760, 106483), (988, 81910), (1235, 65528), (1976, 40955), (2470, 32764), (4940, 16382), (8191, 9880)]