80491378400

素因数分解:

$2^5\times 5^2\times {\mathrm{3583}}^1\times {\mathrm{28081}}^1$

素因数の和:31684

約数の個数: 72

約数和(自身を含む): 196561419264

約数和(自身を除く): 116070040864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3583, 7166, 14332, 17915, 28081, 28664, 35830, 56162, 57328, 71660, 89575, 112324, 114656, 140405, 143320, 179150, 224648, 280810, 286640, 358300, 449296, 561620, 573280, 702025, 716600, 898592, 1123240, 1404050, 1433200, 2246480, 2808100, 2866400, 4492960, 5616200, 11232400, 22464800, 100614223, 201228446, 402456892, 503071115, 804913784, 1006142230, 1609827568, 2012284460, 2515355575, 3219655136, 4024568920, 5030711150, 8049137840, 10061422300, 16098275680, 20122844600, 40245689200, 80491378400]

約数ペア:

[(1, 80491378400), (2, 40245689200), (4, 20122844600), (5, 16098275680), (8, 10061422300), (10, 8049137840), (16, 5030711150), (20, 4024568920), (25, 3219655136), (32, 2515355575), (40, 2012284460), (50, 1609827568), (80, 1006142230), (100, 804913784), (160, 503071115), (200, 402456892), (400, 201228446), (800, 100614223), (3583, 22464800), (7166, 11232400), (14332, 5616200), (17915, 4492960), (28081, 2866400), (28664, 2808100), (35830, 2246480), (56162, 1433200), (57328, 1404050), (71660, 1123240), (89575, 898592), (112324, 716600), (114656, 702025), (140405, 573280), (143320, 561620), (179150, 449296), (224648, 358300), (280810, 286640)]