31917680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 78369984

約数和(自身を除く): 46452304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 263, 296, 328, 370, 410, 526, 592, 656, 740, 820, 1052, 1315, 1480, 1517, 1640, 2104, 2630, 2960, 3034, 3280, 4208, 5260, 6068, 7585, 9731, 10520, 10783, 12136, 15170, 19462, 21040, 21566, 24272, 30340, 38924, 43132, 48655, 53915, 60680, 77848, 86264, 97310, 107830, 121360, 155696, 172528, 194620, 215660, 389240, 398971, 431320, 778480, 797942, 862640, 1595884, 1994855, 3191768, 3989710, 6383536, 7979420, 15958840, 31917680]

約数ペア:

[(1, 31917680), (2, 15958840), (4, 7979420), (5, 6383536), (8, 3989710), (10, 3191768), (16, 1994855), (20, 1595884), (37, 862640), (40, 797942), (41, 778480), (74, 431320), (80, 398971), (82, 389240), (148, 215660), (164, 194620), (185, 172528), (205, 155696), (263, 121360), (296, 107830), (328, 97310), (370, 86264), (410, 77848), (526, 60680), (592, 53915), (656, 48655), (740, 43132), (820, 38924), (1052, 30340), (1315, 24272), (1480, 21566), (1517, 21040), (1640, 19462), (2104, 15170), (2630, 12136), (2960, 10783), (3034, 10520), (3280, 9731), (4208, 7585), (5260, 6068)]