68542720

素因数分解:

$2^8\times 5^1\times {\mathrm{53549}}^1$

素因数の和:53570

約数の個数: 36

約数和(自身を含む): 164184300

約数和(自身を除く): 95641580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 53549, 107098, 214196, 267745, 428392, 535490, 856784, 1070980, 1713568, 2141960, 3427136, 4283920, 6854272, 8567840, 13708544, 17135680, 34271360, 68542720]

約数ペア:

[(1, 68542720), (2, 34271360), (4, 17135680), (5, 13708544), (8, 8567840), (10, 6854272), (16, 4283920), (20, 3427136), (32, 2141960), (40, 1713568), (64, 1070980), (80, 856784), (128, 535490), (160, 428392), (256, 267745), (320, 214196), (640, 107098), (1280, 53549)]