1294518160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1244729}}^1$

素因数の和:1244755

約数の個数: 40

約数和(自身を含む): 3241276920

約数和(自身を除く): 1946758760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1244729, 2489458, 4978916, 6223645, 9957832, 12447290, 16181477, 19915664, 24894580, 32362954, 49789160, 64725908, 80907385, 99578320, 129451816, 161814770, 258903632, 323629540, 647259080, 1294518160]

約数ペア:

[(1, 1294518160), (2, 647259080), (4, 323629540), (5, 258903632), (8, 161814770), (10, 129451816), (13, 99578320), (16, 80907385), (20, 64725908), (26, 49789160), (40, 32362954), (52, 24894580), (65, 19915664), (80, 16181477), (104, 12447290), (130, 9957832), (208, 6223645), (260, 4978916), (520, 2489458), (1040, 1244729)]