66873040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64301}}^1$

素因数の和:64327

約数の個数: 40

約数和(自身を含む): 167442408

約数和(自身を除く): 100569368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64301, 128602, 257204, 321505, 514408, 643010, 835913, 1028816, 1286020, 1671826, 2572040, 3343652, 4179565, 5144080, 6687304, 8359130, 13374608, 16718260, 33436520, 66873040]

約数ペア:

[(1, 66873040), (2, 33436520), (4, 16718260), (5, 13374608), (8, 8359130), (10, 6687304), (13, 5144080), (16, 4179565), (20, 3343652), (26, 2572040), (40, 1671826), (52, 1286020), (65, 1028816), (80, 835913), (104, 643010), (130, 514408), (208, 321505), (260, 257204), (520, 128602), (1040, 64301)]