12758980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 29804544

約数和(自身を除く): 17045564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1583, 1612, 2015, 3166, 4030, 6332, 7915, 8060, 15830, 20579, 31660, 41158, 49073, 82316, 98146, 102895, 196292, 205790, 245365, 411580, 490730, 637949, 981460, 1275898, 2551796, 3189745, 6379490, 12758980]

約数ペア:

[(1, 12758980), (2, 6379490), (4, 3189745), (5, 2551796), (10, 1275898), (13, 981460), (20, 637949), (26, 490730), (31, 411580), (52, 245365), (62, 205790), (65, 196292), (124, 102895), (130, 98146), (155, 82316), (260, 49073), (310, 41158), (403, 31660), (620, 20579), (806, 15830), (1583, 8060), (1612, 7915), (2015, 6332), (3166, 4030)]