72676480

素因数分解:

$2^7\times 5^1\times {\mathrm{113557}}^1$

素因数の和:113576

約数の個数: 32

約数和(自身を含む): 173743740

約数和(自身を除く): 101067260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113557, 227114, 454228, 567785, 908456, 1135570, 1816912, 2271140, 3633824, 4542280, 7267648, 9084560, 14535296, 18169120, 36338240, 72676480]

約数ペア:

[(1, 72676480), (2, 36338240), (4, 18169120), (5, 14535296), (8, 9084560), (10, 7267648), (16, 4542280), (20, 3633824), (32, 2271140), (40, 1816912), (64, 1135570), (80, 908456), (128, 567785), (160, 454228), (320, 227114), (640, 113557)]