26720200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 68745600

約数和(自身を除く): 42025400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 130, 172, 200, 215, 239, 260, 325, 344, 430, 478, 520, 559, 650, 860, 956, 1075, 1118, 1195, 1300, 1720, 1912, 2150, 2236, 2390, 2600, 2795, 3107, 4300, 4472, 4780, 5590, 5975, 6214, 8600, 9560, 10277, 11180, 11950, 12428, 13975, 15535, 20554, 22360, 23900, 24856, 27950, 31070, 41108, 47800, 51385, 55900, 62140, 77675, 82216, 102770, 111800, 124280, 133601, 155350, 205540, 256925, 267202, 310700, 411080, 513850, 534404, 621400, 668005, 1027700, 1068808, 1336010, 2055400, 2672020, 3340025, 5344040, 6680050, 13360100, 26720200]

約数ペア:

[(1, 26720200), (2, 13360100), (4, 6680050), (5, 5344040), (8, 3340025), (10, 2672020), (13, 2055400), (20, 1336010), (25, 1068808), (26, 1027700), (40, 668005), (43, 621400), (50, 534404), (52, 513850), (65, 411080), (86, 310700), (100, 267202), (104, 256925), (130, 205540), (172, 155350), (200, 133601), (215, 124280), (239, 111800), (260, 102770), (325, 82216), (344, 77675), (430, 62140), (478, 55900), (520, 51385), (559, 47800), (650, 41108), (860, 31070), (956, 27950), (1075, 24856), (1118, 23900), (1195, 22360), (1300, 20554), (1720, 15535), (1912, 13975), (2150, 12428), (2236, 11950), (2390, 11180), (2600, 10277), (2795, 9560), (3107, 8600), (4300, 6214), (4472, 5975), (4780, 5590)]