12439584920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6346727}}^1$

素因数の和:6346752

約数の個数: 48

約数和(自身を含む): 32558714640

約数和(自身を除く): 20119129720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6346727, 12693454, 25386908, 31733635, 44427089, 50773816, 63467270, 88854178, 126934540, 177708356, 222135445, 253869080, 310989623, 355416712, 444270890, 621979246, 888541780, 1243958492, 1554948115, 1777083560, 2487916984, 3109896230, 6219792460, 12439584920]

約数ペア:

[(1, 12439584920), (2, 6219792460), (4, 3109896230), (5, 2487916984), (7, 1777083560), (8, 1554948115), (10, 1243958492), (14, 888541780), (20, 621979246), (28, 444270890), (35, 355416712), (40, 310989623), (49, 253869080), (56, 222135445), (70, 177708356), (98, 126934540), (140, 88854178), (196, 63467270), (245, 50773816), (280, 44427089), (392, 31733635), (490, 25386908), (980, 12693454), (1960, 6346727)]