12775100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 30914688

約数和(自身を除く): 18139588

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 317, 325, 403, 620, 634, 650, 775, 806, 1268, 1300, 1550, 1585, 1612, 2015, 3100, 3170, 4030, 4121, 6340, 7925, 8060, 8242, 9827, 10075, 15850, 16484, 19654, 20150, 20605, 31700, 39308, 40300, 41210, 49135, 82420, 98270, 103025, 127751, 196540, 206050, 245675, 255502, 412100, 491350, 511004, 638755, 982700, 1277510, 2555020, 3193775, 6387550, 12775100]

約数ペア:

[(1, 12775100), (2, 6387550), (4, 3193775), (5, 2555020), (10, 1277510), (13, 982700), (20, 638755), (25, 511004), (26, 491350), (31, 412100), (50, 255502), (52, 245675), (62, 206050), (65, 196540), (100, 127751), (124, 103025), (130, 98270), (155, 82420), (260, 49135), (310, 41210), (317, 40300), (325, 39308), (403, 31700), (620, 20605), (634, 20150), (650, 19654), (775, 16484), (806, 15850), (1268, 10075), (1300, 9827), (1550, 8242), (1585, 8060), (1612, 7925), (2015, 6340), (3100, 4121), (3170, 4030)]