25878380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 38472340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 151, 164, 190, 205, 209, 220, 302, 380, 410, 418, 451, 604, 755, 779, 820, 836, 902, 1045, 1510, 1558, 1661, 1804, 2090, 2255, 2869, 3020, 3116, 3322, 3895, 4180, 4510, 5738, 6191, 6644, 7790, 8305, 8569, 9020, 11476, 12382, 14345, 15580, 16610, 17138, 24764, 28690, 30955, 31559, 33220, 34276, 42845, 57380, 61910, 63118, 68101, 85690, 117629, 123820, 126236, 136202, 157795, 171380, 235258, 272404, 315590, 340505, 470516, 588145, 631180, 681010, 1176290, 1293919, 1362020, 2352580, 2587838, 5175676, 6469595, 12939190, 25878380]

約数ペア:

[(1, 25878380), (2, 12939190), (4, 6469595), (5, 5175676), (10, 2587838), (11, 2352580), (19, 1362020), (20, 1293919), (22, 1176290), (38, 681010), (41, 631180), (44, 588145), (55, 470516), (76, 340505), (82, 315590), (95, 272404), (110, 235258), (151, 171380), (164, 157795), (190, 136202), (205, 126236), (209, 123820), (220, 117629), (302, 85690), (380, 68101), (410, 63118), (418, 61910), (451, 57380), (604, 42845), (755, 34276), (779, 33220), (820, 31559), (836, 30955), (902, 28690), (1045, 24764), (1510, 17138), (1558, 16610), (1661, 15580), (1804, 14345), (2090, 12382), (2255, 11476), (2869, 9020), (3020, 8569), (3116, 8305), (3322, 7790), (3895, 6644), (4180, 6191), (4510, 5738)]