16557320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 42502320

約数和(自身を除く): 25945000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1873, 2210, 3746, 4420, 7492, 8840, 9365, 14984, 18730, 24349, 31841, 37460, 48698, 63682, 74920, 97396, 121745, 127364, 159205, 194792, 243490, 254728, 318410, 413933, 486980, 636820, 827866, 973960, 1273640, 1655732, 2069665, 3311464, 4139330, 8278660, 16557320]

約数ペア:

[(1, 16557320), (2, 8278660), (4, 4139330), (5, 3311464), (8, 2069665), (10, 1655732), (13, 1273640), (17, 973960), (20, 827866), (26, 636820), (34, 486980), (40, 413933), (52, 318410), (65, 254728), (68, 243490), (85, 194792), (104, 159205), (130, 127364), (136, 121745), (170, 97396), (221, 74920), (260, 63682), (340, 48698), (442, 37460), (520, 31841), (680, 24349), (884, 18730), (1105, 14984), (1768, 9365), (1873, 8840), (2210, 7492), (3746, 4420)]