42427160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 99316800

約数和(自身を除く): 56889640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 263, 296, 370, 436, 526, 545, 740, 872, 1052, 1090, 1315, 1480, 2104, 2180, 2630, 4033, 4360, 5260, 8066, 9731, 10520, 16132, 19462, 20165, 28667, 32264, 38924, 40330, 48655, 57334, 77848, 80660, 97310, 114668, 143335, 161320, 194620, 229336, 286670, 389240, 573340, 1060679, 1146680, 2121358, 4242716, 5303395, 8485432, 10606790, 21213580, 42427160]

約数ペア:

[(1, 42427160), (2, 21213580), (4, 10606790), (5, 8485432), (8, 5303395), (10, 4242716), (20, 2121358), (37, 1146680), (40, 1060679), (74, 573340), (109, 389240), (148, 286670), (185, 229336), (218, 194620), (263, 161320), (296, 143335), (370, 114668), (436, 97310), (526, 80660), (545, 77848), (740, 57334), (872, 48655), (1052, 40330), (1090, 38924), (1315, 32264), (1480, 28667), (2104, 20165), (2180, 19462), (2630, 16132), (4033, 10520), (4360, 9731), (5260, 8066)]