135452020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19861}}^1$

素因数の和:19912

約数の個数: 48

約数和(自身を含む): 320334336

約数和(自身を除く): 184882316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 19861, 39722, 79444, 99305, 198610, 218471, 397220, 436942, 615691, 873884, 1092355, 1231382, 2184710, 2462764, 3078455, 4369420, 6156910, 6772601, 12313820, 13545202, 27090404, 33863005, 67726010, 135452020]

約数ペア:

[(1, 135452020), (2, 67726010), (4, 33863005), (5, 27090404), (10, 13545202), (11, 12313820), (20, 6772601), (22, 6156910), (31, 4369420), (44, 3078455), (55, 2462764), (62, 2184710), (110, 1231382), (124, 1092355), (155, 873884), (220, 615691), (310, 436942), (341, 397220), (620, 218471), (682, 198610), (1364, 99305), (1705, 79444), (3410, 39722), (6820, 19861)]