20139200

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 84

約数和(自身を含む): 50929032

約数和(自身を除く): 30789832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 307, 320, 328, 400, 410, 614, 656, 800, 820, 1025, 1228, 1312, 1535, 1600, 1640, 2050, 2456, 2624, 3070, 3280, 4100, 4912, 6140, 6560, 7675, 8200, 9824, 12280, 12587, 13120, 15350, 16400, 19648, 24560, 25174, 30700, 32800, 49120, 50348, 61400, 62935, 65600, 98240, 100696, 122800, 125870, 201392, 245600, 251740, 314675, 402784, 491200, 503480, 629350, 805568, 1006960, 1258700, 2013920, 2517400, 4027840, 5034800, 10069600, 20139200]

約数ペア:

[(1, 20139200), (2, 10069600), (4, 5034800), (5, 4027840), (8, 2517400), (10, 2013920), (16, 1258700), (20, 1006960), (25, 805568), (32, 629350), (40, 503480), (41, 491200), (50, 402784), (64, 314675), (80, 251740), (82, 245600), (100, 201392), (160, 125870), (164, 122800), (200, 100696), (205, 98240), (307, 65600), (320, 62935), (328, 61400), (400, 50348), (410, 49120), (614, 32800), (656, 30700), (800, 25174), (820, 24560), (1025, 19648), (1228, 16400), (1312, 15350), (1535, 13120), (1600, 12587), (1640, 12280), (2050, 9824), (2456, 8200), (2624, 7675), (3070, 6560), (3280, 6140), (4100, 4912)]