12576980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 29076138

約数和(自身を除く): 16499158

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 1220, 1586, 1690, 3172, 3380, 3721, 3965, 7442, 7930, 10309, 14884, 15860, 18605, 20618, 37210, 41236, 48373, 51545, 74420, 96746, 103090, 193492, 206180, 241865, 483730, 628849, 967460, 1257698, 2515396, 3144245, 6288490, 12576980]

約数ペア:

[(1, 12576980), (2, 6288490), (4, 3144245), (5, 2515396), (10, 1257698), (13, 967460), (20, 628849), (26, 483730), (52, 241865), (61, 206180), (65, 193492), (122, 103090), (130, 96746), (169, 74420), (244, 51545), (260, 48373), (305, 41236), (338, 37210), (610, 20618), (676, 18605), (793, 15860), (845, 14884), (1220, 10309), (1586, 7930), (1690, 7442), (3172, 3965), (3380, 3721)]