11885900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 28581504

約数和(自身を除く): 16695604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 223, 260, 325, 410, 446, 533, 650, 820, 892, 1025, 1066, 1115, 1300, 2050, 2132, 2230, 2665, 2899, 4100, 4460, 5330, 5575, 5798, 9143, 10660, 11150, 11596, 13325, 14495, 18286, 22300, 26650, 28990, 36572, 45715, 53300, 57980, 72475, 91430, 118859, 144950, 182860, 228575, 237718, 289900, 457150, 475436, 594295, 914300, 1188590, 2377180, 2971475, 5942950, 11885900]

約数ペア:

[(1, 11885900), (2, 5942950), (4, 2971475), (5, 2377180), (10, 1188590), (13, 914300), (20, 594295), (25, 475436), (26, 457150), (41, 289900), (50, 237718), (52, 228575), (65, 182860), (82, 144950), (100, 118859), (130, 91430), (164, 72475), (205, 57980), (223, 53300), (260, 45715), (325, 36572), (410, 28990), (446, 26650), (533, 22300), (650, 18286), (820, 14495), (892, 13325), (1025, 11596), (1066, 11150), (1115, 10660), (1300, 9143), (2050, 5798), (2132, 5575), (2230, 5330), (2665, 4460), (2899, 4100)]