80000440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6736

約数の個数: 64

約数和(自身を含む): 202305600

約数和(自身を除く): 122305160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 6689, 11960, 13378, 26756, 33445, 53512, 66890, 86957, 133780, 153847, 173914, 267560, 307694, 347828, 434785, 615388, 695656, 769235, 869570, 1230776, 1538470, 1739140, 2000011, 3076940, 3478280, 4000022, 6153880, 8000044, 10000055, 16000088, 20000110, 40000220, 80000440]

約数ペア:

[(1, 80000440), (2, 40000220), (4, 20000110), (5, 16000088), (8, 10000055), (10, 8000044), (13, 6153880), (20, 4000022), (23, 3478280), (26, 3076940), (40, 2000011), (46, 1739140), (52, 1538470), (65, 1230776), (92, 869570), (104, 769235), (115, 695656), (130, 615388), (184, 434785), (230, 347828), (260, 307694), (299, 267560), (460, 173914), (520, 153847), (598, 133780), (920, 86957), (1196, 66890), (1495, 53512), (2392, 33445), (2990, 26756), (5980, 13378), (6689, 11960)]