83981560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161503}}^1$

素因数の和:161527

約数の個数: 32

約数和(自身を含む): 203495040

約数和(自身を除く): 119513480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 161503, 323006, 646012, 807515, 1292024, 1615030, 2099539, 3230060, 4199078, 6460120, 8398156, 10497695, 16796312, 20995390, 41990780, 83981560]

約数ペア:

[(1, 83981560), (2, 41990780), (4, 20995390), (5, 16796312), (8, 10497695), (10, 8398156), (13, 6460120), (20, 4199078), (26, 3230060), (40, 2099539), (52, 1615030), (65, 1292024), (104, 807515), (130, 646012), (260, 323006), (520, 161503)]