25531480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 63584640

約数和(自身を除く): 38053160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1327, 1480, 1924, 2405, 2654, 3848, 4810, 5308, 6635, 9620, 10616, 13270, 17251, 19240, 26540, 34502, 49099, 53080, 69004, 86255, 98198, 138008, 172510, 196396, 245495, 345020, 392792, 490990, 638287, 690040, 981980, 1276574, 1963960, 2553148, 3191435, 5106296, 6382870, 12765740, 25531480]

約数ペア:

[(1, 25531480), (2, 12765740), (4, 6382870), (5, 5106296), (8, 3191435), (10, 2553148), (13, 1963960), (20, 1276574), (26, 981980), (37, 690040), (40, 638287), (52, 490990), (65, 392792), (74, 345020), (104, 245495), (130, 196396), (148, 172510), (185, 138008), (260, 98198), (296, 86255), (370, 69004), (481, 53080), (520, 49099), (740, 34502), (962, 26540), (1327, 19240), (1480, 17251), (1924, 13270), (2405, 10616), (2654, 9620), (3848, 6635), (4810, 5308)]