85153720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 198223200

約数和(自身を除く): 113069480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 379, 410, 548, 685, 758, 820, 1096, 1370, 1516, 1640, 1895, 2740, 3032, 3790, 5480, 5617, 7580, 11234, 15160, 15539, 22468, 28085, 31078, 44936, 51923, 56170, 62156, 77695, 103846, 112340, 124312, 155390, 207692, 224680, 259615, 310780, 415384, 519230, 621560, 1038460, 2076920, 2128843, 4257686, 8515372, 10644215, 17030744, 21288430, 42576860, 85153720]

約数ペア:

[(1, 85153720), (2, 42576860), (4, 21288430), (5, 17030744), (8, 10644215), (10, 8515372), (20, 4257686), (40, 2128843), (41, 2076920), (82, 1038460), (137, 621560), (164, 519230), (205, 415384), (274, 310780), (328, 259615), (379, 224680), (410, 207692), (548, 155390), (685, 124312), (758, 112340), (820, 103846), (1096, 77695), (1370, 62156), (1516, 56170), (1640, 51923), (1895, 44936), (2740, 31078), (3032, 28085), (3790, 22468), (5480, 15539), (5617, 15160), (7580, 11234)]