72778240

素因数分解:

$2^9\times 5^1\times {\mathrm{28429}}^1$

素因数の和:28452

約数の個数: 40

約数和(自身を含む): 174503340

約数和(自身を除く): 101725100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28429, 56858, 113716, 142145, 227432, 284290, 454864, 568580, 909728, 1137160, 1819456, 2274320, 3638912, 4548640, 7277824, 9097280, 14555648, 18194560, 36389120, 72778240]

約数ペア:

[(1, 72778240), (2, 36389120), (4, 18194560), (5, 14555648), (8, 9097280), (10, 7277824), (16, 4548640), (20, 3638912), (32, 2274320), (40, 1819456), (64, 1137160), (80, 909728), (128, 568580), (160, 454864), (256, 284290), (320, 227432), (512, 142145), (640, 113716), (1280, 56858), (2560, 28429)]