31855120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 82441152

約数和(自身を除く): 50586032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 683, 848, 880, 1060, 1166, 1366, 2120, 2332, 2732, 2915, 3415, 4240, 4664, 5464, 5830, 6830, 7513, 9328, 10928, 11660, 13660, 15026, 23320, 27320, 30052, 36199, 37565, 46640, 54640, 60104, 72398, 75130, 120208, 144796, 150260, 180995, 289592, 300520, 361990, 398189, 579184, 601040, 723980, 796378, 1447960, 1592756, 1990945, 2895920, 3185512, 3981890, 6371024, 7963780, 15927560, 31855120]

約数ペア:

[(1, 31855120), (2, 15927560), (4, 7963780), (5, 6371024), (8, 3981890), (10, 3185512), (11, 2895920), (16, 1990945), (20, 1592756), (22, 1447960), (40, 796378), (44, 723980), (53, 601040), (55, 579184), (80, 398189), (88, 361990), (106, 300520), (110, 289592), (176, 180995), (212, 150260), (220, 144796), (265, 120208), (424, 75130), (440, 72398), (530, 60104), (583, 54640), (683, 46640), (848, 37565), (880, 36199), (1060, 30052), (1166, 27320), (1366, 23320), (2120, 15026), (2332, 13660), (2732, 11660), (2915, 10928), (3415, 9328), (4240, 7513), (4664, 6830), (5464, 5830)]