202538960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194749}}^1$

素因数の和:194775

約数の個数: 40

約数和(自身を含む): 507129000

約数和(自身を除く): 304590040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194749, 389498, 778996, 973745, 1557992, 1947490, 2531737, 3115984, 3894980, 5063474, 7789960, 10126948, 12658685, 15579920, 20253896, 25317370, 40507792, 50634740, 101269480, 202538960]

約数ペア:

[(1, 202538960), (2, 101269480), (4, 50634740), (5, 40507792), (8, 25317370), (10, 20253896), (13, 15579920), (16, 12658685), (20, 10126948), (26, 7789960), (40, 5063474), (52, 3894980), (65, 3115984), (80, 2531737), (104, 1947490), (130, 1557992), (208, 973745), (260, 778996), (520, 389498), (1040, 194749)]