850431920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{817723}}^1$

素因数の和:817749

約数の個数: 40

約数和(自身を含む): 2129353296

約数和(自身を除く): 1278921376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 817723, 1635446, 3270892, 4088615, 6541784, 8177230, 10630399, 13083568, 16354460, 21260798, 32708920, 42521596, 53151995, 65417840, 85043192, 106303990, 170086384, 212607980, 425215960, 850431920]

約数ペア:

[(1, 850431920), (2, 425215960), (4, 212607980), (5, 170086384), (8, 106303990), (10, 85043192), (13, 65417840), (16, 53151995), (20, 42521596), (26, 32708920), (40, 21260798), (52, 16354460), (65, 13083568), (80, 10630399), (104, 8177230), (130, 6541784), (208, 4088615), (260, 3270892), (520, 1635446), (1040, 817723)]