8085220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 20176632

約数和(自身を除く): 12091412

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 257, 260, 286, 484, 514, 572, 605, 715, 1028, 1210, 1285, 1430, 1573, 2420, 2570, 2827, 2860, 3146, 3341, 5140, 5654, 6292, 6682, 7865, 11308, 13364, 14135, 15730, 16705, 28270, 31097, 31460, 33410, 36751, 56540, 62194, 66820, 73502, 124388, 147004, 155485, 183755, 310970, 367510, 404261, 621940, 735020, 808522, 1617044, 2021305, 4042610, 8085220]

約数ペア:

[(1, 8085220), (2, 4042610), (4, 2021305), (5, 1617044), (10, 808522), (11, 735020), (13, 621940), (20, 404261), (22, 367510), (26, 310970), (44, 183755), (52, 155485), (55, 147004), (65, 124388), (110, 73502), (121, 66820), (130, 62194), (143, 56540), (220, 36751), (242, 33410), (257, 31460), (260, 31097), (286, 28270), (484, 16705), (514, 15730), (572, 14135), (605, 13364), (715, 11308), (1028, 7865), (1210, 6682), (1285, 6292), (1430, 5654), (1573, 5140), (2420, 3341), (2570, 3146), (2827, 2860)]