827090420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{21067}}^1$

素因数の和:21240

約数の個数: 48

約数和(自身を含む): 1882973568

約数和(自身を除く): 1055883148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 3020, 3926, 7852, 9815, 19630, 21067, 39260, 42134, 84268, 105335, 210670, 273871, 421340, 547742, 1095484, 1369355, 2738710, 3181117, 5477420, 6362234, 12724468, 15905585, 31811170, 41354521, 63622340, 82709042, 165418084, 206772605, 413545210, 827090420]

約数ペア:

[(1, 827090420), (2, 413545210), (4, 206772605), (5, 165418084), (10, 82709042), (13, 63622340), (20, 41354521), (26, 31811170), (52, 15905585), (65, 12724468), (130, 6362234), (151, 5477420), (260, 3181117), (302, 2738710), (604, 1369355), (755, 1095484), (1510, 547742), (1963, 421340), (3020, 273871), (3926, 210670), (7852, 105335), (9815, 84268), (19630, 42134), (21067, 39260)]