61391360

素因数分解:

$2^9\times 5^1\times {\mathrm{23981}}^1$

素因数の和:24004

約数の個数: 40

約数和(自身を含む): 147201516

約数和(自身を除く): 85810156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 23981, 47962, 95924, 119905, 191848, 239810, 383696, 479620, 767392, 959240, 1534784, 1918480, 3069568, 3836960, 6139136, 7673920, 12278272, 15347840, 30695680, 61391360]

約数ペア:

[(1, 61391360), (2, 30695680), (4, 15347840), (5, 12278272), (8, 7673920), (10, 6139136), (16, 3836960), (20, 3069568), (32, 1918480), (40, 1534784), (64, 959240), (80, 767392), (128, 479620), (160, 383696), (256, 239810), (320, 191848), (512, 119905), (640, 95924), (1280, 47962), (2560, 23981)]