17872640

素因数分解:

$2^8\times 5^1\times {\mathrm{13963}}^1$

素因数の和:13984

約数の個数: 36

約数和(自身を含む): 42813624

約数和(自身を除く): 24940984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 13963, 27926, 55852, 69815, 111704, 139630, 223408, 279260, 446816, 558520, 893632, 1117040, 1787264, 2234080, 3574528, 4468160, 8936320, 17872640]

約数ペア:

[(1, 17872640), (2, 8936320), (4, 4468160), (5, 3574528), (8, 2234080), (10, 1787264), (16, 1117040), (20, 893632), (32, 558520), (40, 446816), (64, 279260), (80, 223408), (128, 139630), (160, 111704), (256, 69815), (320, 55852), (640, 27926), (1280, 13963)]