78683960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2339}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 183432600

約数和(自身を除く): 104748640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 2339, 3364, 4205, 4678, 6728, 8410, 9356, 11695, 16820, 18712, 23390, 33640, 46780, 67831, 93560, 135662, 271324, 339155, 542648, 678310, 1356620, 1967099, 2713240, 3934198, 7868396, 9835495, 15736792, 19670990, 39341980, 78683960]

約数ペア:

[(1, 78683960), (2, 39341980), (4, 19670990), (5, 15736792), (8, 9835495), (10, 7868396), (20, 3934198), (29, 2713240), (40, 1967099), (58, 1356620), (116, 678310), (145, 542648), (232, 339155), (290, 271324), (580, 135662), (841, 93560), (1160, 67831), (1682, 46780), (2339, 33640), (3364, 23390), (4205, 18712), (4678, 16820), (6728, 11695), (8410, 9356)]