40051840

素因数分解:

$2^7\times 5^1\times {\mathrm{62581}}^1$

素因数の和:62600

約数の個数: 32

約数和(自身を含む): 95750460

約数和(自身を除く): 55698620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 62581, 125162, 250324, 312905, 500648, 625810, 1001296, 1251620, 2002592, 2503240, 4005184, 5006480, 8010368, 10012960, 20025920, 40051840]

約数ペア:

[(1, 40051840), (2, 20025920), (4, 10012960), (5, 8010368), (8, 5006480), (10, 4005184), (16, 2503240), (20, 2002592), (32, 1251620), (40, 1001296), (64, 625810), (80, 500648), (128, 312905), (160, 250324), (320, 125162), (640, 62581)]