73890440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142097}}^1$

素因数の和:142121

約数の個数: 32

約数和(自身を含む): 179043480

約数和(自身を除く): 105153040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142097, 284194, 568388, 710485, 1136776, 1420970, 1847261, 2841940, 3694522, 5683880, 7389044, 9236305, 14778088, 18472610, 36945220, 73890440]

約数ペア:

[(1, 73890440), (2, 36945220), (4, 18472610), (5, 14778088), (8, 9236305), (10, 7389044), (13, 5683880), (20, 3694522), (26, 2841940), (40, 1847261), (52, 1420970), (65, 1136776), (104, 710485), (130, 568388), (260, 284194), (520, 142097)]