65585920

素因数分解:

$2^8\times 5^1\times {\mathrm{51239}}^1$

素因数の和:51260

約数の個数: 36

約数和(自身を含む): 157101840

約数和(自身を除く): 91515920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 51239, 102478, 204956, 256195, 409912, 512390, 819824, 1024780, 1639648, 2049560, 3279296, 4099120, 6558592, 8198240, 13117184, 16396480, 32792960, 65585920]

約数ペア:

[(1, 65585920), (2, 32792960), (4, 16396480), (5, 13117184), (8, 8198240), (10, 6558592), (16, 4099120), (20, 3279296), (32, 2049560), (40, 1639648), (64, 1024780), (80, 819824), (128, 512390), (160, 409912), (256, 256195), (320, 204956), (640, 102478), (1280, 51239)]