40000220

素因数分解:

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

素因数の和:6734

約数の個数: 48

約数和(自身を含む): 94409280

約数和(自身を除く): 54409060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 6689, 13378, 26756, 33445, 66890, 86957, 133780, 153847, 173914, 307694, 347828, 434785, 615388, 769235, 869570, 1538470, 1739140, 2000011, 3076940, 4000022, 8000044, 10000055, 20000110, 40000220]

約数ペア:

[(1, 40000220), (2, 20000110), (4, 10000055), (5, 8000044), (10, 4000022), (13, 3076940), (20, 2000011), (23, 1739140), (26, 1538470), (46, 869570), (52, 769235), (65, 615388), (92, 434785), (115, 347828), (130, 307694), (230, 173914), (260, 153847), (299, 133780), (460, 86957), (598, 66890), (1196, 33445), (1495, 26756), (2990, 13378), (5980, 6689)]