29963960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 75146400

約数和(自身を除く): 45182440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 1987, 3016, 3770, 3974, 7540, 7948, 9935, 15080, 15896, 19870, 25831, 39740, 51662, 57623, 79480, 103324, 115246, 129155, 206648, 230492, 258310, 288115, 460984, 516620, 576230, 749099, 1033240, 1152460, 1498198, 2304920, 2996396, 3745495, 5992792, 7490990, 14981980, 29963960]

約数ペア:

[(1, 29963960), (2, 14981980), (4, 7490990), (5, 5992792), (8, 3745495), (10, 2996396), (13, 2304920), (20, 1498198), (26, 1152460), (29, 1033240), (40, 749099), (52, 576230), (58, 516620), (65, 460984), (104, 288115), (116, 258310), (130, 230492), (145, 206648), (232, 129155), (260, 115246), (290, 103324), (377, 79480), (520, 57623), (580, 51662), (754, 39740), (1160, 25831), (1508, 19870), (1885, 15896), (1987, 15080), (3016, 9935), (3770, 7948), (3974, 7540)]