31858640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 82869696

約数和(自身を除く): 51011056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 883, 902, 1640, 1766, 1804, 2255, 3280, 3532, 3608, 4415, 4510, 7064, 7216, 8830, 9020, 9713, 14128, 17660, 18040, 19426, 35320, 36080, 36203, 38852, 48565, 70640, 72406, 77704, 97130, 144812, 155408, 181015, 194260, 289624, 362030, 388520, 398233, 579248, 724060, 777040, 796466, 1448120, 1592932, 1991165, 2896240, 3185864, 3982330, 6371728, 7964660, 15929320, 31858640]

約数ペア:

[(1, 31858640), (2, 15929320), (4, 7964660), (5, 6371728), (8, 3982330), (10, 3185864), (11, 2896240), (16, 1991165), (20, 1592932), (22, 1448120), (40, 796466), (41, 777040), (44, 724060), (55, 579248), (80, 398233), (82, 388520), (88, 362030), (110, 289624), (164, 194260), (176, 181015), (205, 155408), (220, 144812), (328, 97130), (410, 77704), (440, 72406), (451, 70640), (656, 48565), (820, 38852), (880, 36203), (883, 36080), (902, 35320), (1640, 19426), (1766, 18040), (1804, 17660), (2255, 14128), (3280, 9713), (3532, 9020), (3608, 8830), (4415, 7216), (4510, 7064)]