82804720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 200915712

約数和(自身を除く): 118110992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 173, 193, 248, 310, 346, 386, 496, 620, 692, 772, 865, 965, 1240, 1384, 1544, 1730, 1930, 2480, 2768, 3088, 3460, 3860, 5363, 5983, 6920, 7720, 10726, 11966, 13840, 15440, 21452, 23932, 26815, 29915, 33389, 42904, 47864, 53630, 59830, 66778, 85808, 95728, 107260, 119660, 133556, 166945, 214520, 239320, 267112, 333890, 429040, 478640, 534224, 667780, 1035059, 1335560, 2070118, 2671120, 4140236, 5175295, 8280472, 10350590, 16560944, 20701180, 41402360, 82804720]

約数ペア:

[(1, 82804720), (2, 41402360), (4, 20701180), (5, 16560944), (8, 10350590), (10, 8280472), (16, 5175295), (20, 4140236), (31, 2671120), (40, 2070118), (62, 1335560), (80, 1035059), (124, 667780), (155, 534224), (173, 478640), (193, 429040), (248, 333890), (310, 267112), (346, 239320), (386, 214520), (496, 166945), (620, 133556), (692, 119660), (772, 107260), (865, 95728), (965, 85808), (1240, 66778), (1384, 59830), (1544, 53630), (1730, 47864), (1930, 42904), (2480, 33389), (2768, 29915), (3088, 26815), (3460, 23932), (3860, 21452), (5363, 15440), (5983, 13840), (6920, 11966), (7720, 10726)]