12699140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^2$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 27599628

約数和(自身を除く): 14900488

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 17161, 19388, 24235, 34322, 48470, 68644, 85805, 96940, 171610, 343220, 634957, 1269914, 2539828, 3174785, 6349570, 12699140]

約数ペア:

[(1, 12699140), (2, 6349570), (4, 3174785), (5, 2539828), (10, 1269914), (20, 634957), (37, 343220), (74, 171610), (131, 96940), (148, 85805), (185, 68644), (262, 48470), (370, 34322), (524, 24235), (655, 19388), (740, 17161), (1310, 9694), (2620, 4847)]