64163570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 122256000

約数和(自身を除く): 58092430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1697, 1990, 3394, 3781, 7562, 8485, 16970, 18905, 32243, 37810, 64486, 161215, 322430, 337703, 675406, 1688515, 3377030, 6416357, 12832714, 32081785, 64163570]

約数ペア:

[(1, 64163570), (2, 32081785), (5, 12832714), (10, 6416357), (19, 3377030), (38, 1688515), (95, 675406), (190, 337703), (199, 322430), (398, 161215), (995, 64486), (1697, 37810), (1990, 32243), (3394, 18905), (3781, 16970), (7562, 8485)]