64613840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 156739968

約数和(自身を除く): 92126128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 263, 296, 332, 370, 415, 526, 592, 664, 740, 830, 1052, 1315, 1328, 1480, 1660, 2104, 2630, 2960, 3071, 3320, 4208, 5260, 6142, 6640, 9731, 10520, 12284, 15355, 19462, 21040, 21829, 24568, 30710, 38924, 43658, 48655, 49136, 61420, 77848, 87316, 97310, 109145, 122840, 155696, 174632, 194620, 218290, 245680, 349264, 389240, 436580, 778480, 807673, 873160, 1615346, 1746320, 3230692, 4038365, 6461384, 8076730, 12922768, 16153460, 32306920, 64613840]

約数ペア:

[(1, 64613840), (2, 32306920), (4, 16153460), (5, 12922768), (8, 8076730), (10, 6461384), (16, 4038365), (20, 3230692), (37, 1746320), (40, 1615346), (74, 873160), (80, 807673), (83, 778480), (148, 436580), (166, 389240), (185, 349264), (263, 245680), (296, 218290), (332, 194620), (370, 174632), (415, 155696), (526, 122840), (592, 109145), (664, 97310), (740, 87316), (830, 77848), (1052, 61420), (1315, 49136), (1328, 48655), (1480, 43658), (1660, 38924), (2104, 30710), (2630, 24568), (2960, 21829), (3071, 21040), (3320, 19462), (4208, 15355), (5260, 12284), (6142, 10520), (6640, 9731)]