77882480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74887}}^1$

素因数の和:74913

約数の個数: 40

約数和(自身を含む): 195008352

約数和(自身を除く): 117125872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74887, 149774, 299548, 374435, 599096, 748870, 973531, 1198192, 1497740, 1947062, 2995480, 3894124, 4867655, 5990960, 7788248, 9735310, 15576496, 19470620, 38941240, 77882480]

約数ペア:

[(1, 77882480), (2, 38941240), (4, 19470620), (5, 15576496), (8, 9735310), (10, 7788248), (13, 5990960), (16, 4867655), (20, 3894124), (26, 2995480), (40, 1947062), (52, 1497740), (65, 1198192), (80, 973531), (104, 748870), (130, 599096), (208, 374435), (260, 299548), (520, 149774), (1040, 74887)]