27826760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 68644800

約数和(自身を除く): 40818040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 907, 1180, 1534, 1814, 2360, 3068, 3628, 3835, 4535, 6136, 7256, 7670, 9070, 11791, 15340, 18140, 23582, 30680, 36280, 47164, 53513, 58955, 94328, 107026, 117910, 214052, 235820, 267565, 428104, 471640, 535130, 695669, 1070260, 1391338, 2140520, 2782676, 3478345, 5565352, 6956690, 13913380, 27826760]

約数ペア:

[(1, 27826760), (2, 13913380), (4, 6956690), (5, 5565352), (8, 3478345), (10, 2782676), (13, 2140520), (20, 1391338), (26, 1070260), (40, 695669), (52, 535130), (59, 471640), (65, 428104), (104, 267565), (118, 235820), (130, 214052), (236, 117910), (260, 107026), (295, 94328), (472, 58955), (520, 53513), (590, 47164), (767, 36280), (907, 30680), (1180, 23582), (1534, 18140), (1814, 15340), (2360, 11791), (3068, 9070), (3628, 7670), (3835, 7256), (4535, 6136)]