40278400

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 102259080

約数和(自身を除く): 61980680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 307, 320, 328, 400, 410, 614, 640, 656, 800, 820, 1025, 1228, 1312, 1535, 1600, 1640, 2050, 2456, 2624, 3070, 3200, 3280, 4100, 4912, 5248, 6140, 6560, 7675, 8200, 9824, 12280, 12587, 13120, 15350, 16400, 19648, 24560, 25174, 26240, 30700, 32800, 39296, 49120, 50348, 61400, 62935, 65600, 98240, 100696, 122800, 125870, 131200, 196480, 201392, 245600, 251740, 314675, 402784, 491200, 503480, 629350, 805568, 982400, 1006960, 1258700, 1611136, 2013920, 2517400, 4027840, 5034800, 8055680, 10069600, 20139200, 40278400]

約数ペア:

[(1, 40278400), (2, 20139200), (4, 10069600), (5, 8055680), (8, 5034800), (10, 4027840), (16, 2517400), (20, 2013920), (25, 1611136), (32, 1258700), (40, 1006960), (41, 982400), (50, 805568), (64, 629350), (80, 503480), (82, 491200), (100, 402784), (128, 314675), (160, 251740), (164, 245600), (200, 201392), (205, 196480), (307, 131200), (320, 125870), (328, 122800), (400, 100696), (410, 98240), (614, 65600), (640, 62935), (656, 61400), (800, 50348), (820, 49120), (1025, 39296), (1228, 32800), (1312, 30700), (1535, 26240), (1600, 25174), (1640, 24560), (2050, 19648), (2456, 16400), (2624, 15350), (3070, 13120), (3200, 12587), (3280, 12280), (4100, 9824), (4912, 8200), (5248, 7675), (6140, 6560)]