25406810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 54552960

約数和(自身を除く): 29146150

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 109, 110, 130, 143, 163, 218, 286, 326, 545, 715, 815, 1090, 1199, 1417, 1430, 1630, 1793, 2119, 2398, 2834, 3586, 4238, 5995, 7085, 8965, 10595, 11990, 14170, 15587, 17767, 17930, 21190, 23309, 31174, 35534, 46618, 77935, 88835, 116545, 155870, 177670, 195437, 230971, 233090, 390874, 461942, 977185, 1154855, 1954370, 2309710, 2540681, 5081362, 12703405, 25406810]

約数ペア:

[(1, 25406810), (2, 12703405), (5, 5081362), (10, 2540681), (11, 2309710), (13, 1954370), (22, 1154855), (26, 977185), (55, 461942), (65, 390874), (109, 233090), (110, 230971), (130, 195437), (143, 177670), (163, 155870), (218, 116545), (286, 88835), (326, 77935), (545, 46618), (715, 35534), (815, 31174), (1090, 23309), (1199, 21190), (1417, 17930), (1430, 17767), (1630, 15587), (1793, 14170), (2119, 11990), (2398, 10595), (2834, 8965), (3586, 7085), (4238, 5995)]