3478280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6689}}^1$

素因数の和:6713

約数の個数: 32

約数和(自身を含む): 8429400

約数和(自身を除く): 4951120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 6689, 13378, 26756, 33445, 53512, 66890, 86957, 133780, 173914, 267560, 347828, 434785, 695656, 869570, 1739140, 3478280]

約数ペア:

[(1, 3478280), (2, 1739140), (4, 869570), (5, 695656), (8, 434785), (10, 347828), (13, 267560), (20, 173914), (26, 133780), (40, 86957), (52, 66890), (65, 53512), (104, 33445), (130, 26756), (260, 13378), (520, 6689)]