40635620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 88769520

約数和(自身を除く): 48133900

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 445, 617, 740, 890, 1234, 1780, 2468, 3085, 3293, 6170, 6586, 12340, 13172, 16465, 22829, 32930, 45658, 54913, 65860, 91316, 109826, 114145, 219652, 228290, 274565, 456580, 549130, 1098260, 2031781, 4063562, 8127124, 10158905, 20317810, 40635620]

約数ペア:

[(1, 40635620), (2, 20317810), (4, 10158905), (5, 8127124), (10, 4063562), (20, 2031781), (37, 1098260), (74, 549130), (89, 456580), (148, 274565), (178, 228290), (185, 219652), (356, 114145), (370, 109826), (445, 91316), (617, 65860), (740, 54913), (890, 45658), (1234, 32930), (1780, 22829), (2468, 16465), (3085, 13172), (3293, 12340), (6170, 6586)]