25050520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 65648880

約数和(自身を除く): 40598360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 197, 220, 289, 340, 374, 394, 440, 578, 680, 748, 788, 935, 985, 1156, 1445, 1496, 1576, 1870, 1970, 2167, 2312, 2890, 3179, 3349, 3740, 3940, 4334, 5780, 6358, 6698, 7480, 7880, 8668, 10835, 11560, 12716, 13396, 15895, 16745, 17336, 21670, 25432, 26792, 31790, 33490, 36839, 43340, 56933, 63580, 66980, 73678, 86680, 113866, 127160, 133960, 147356, 184195, 227732, 284665, 294712, 368390, 455464, 569330, 626263, 736780, 1138660, 1252526, 1473560, 2277320, 2505052, 3131315, 5010104, 6262630, 12525260, 25050520]

約数ペア:

[(1, 25050520), (2, 12525260), (4, 6262630), (5, 5010104), (8, 3131315), (10, 2505052), (11, 2277320), (17, 1473560), (20, 1252526), (22, 1138660), (34, 736780), (40, 626263), (44, 569330), (55, 455464), (68, 368390), (85, 294712), (88, 284665), (110, 227732), (136, 184195), (170, 147356), (187, 133960), (197, 127160), (220, 113866), (289, 86680), (340, 73678), (374, 66980), (394, 63580), (440, 56933), (578, 43340), (680, 36839), (748, 33490), (788, 31790), (935, 26792), (985, 25432), (1156, 21670), (1445, 17336), (1496, 16745), (1576, 15895), (1870, 13396), (1970, 12716), (2167, 11560), (2312, 10835), (2890, 8668), (3179, 7880), (3349, 7480), (3740, 6698), (3940, 6358), (4334, 5780)]