15691948420

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1129}}^1\times {\mathrm{1427}}^1$

素因数の和:3052

約数の個数: 48

約数和(自身を含む): 33073165440

約数和(自身を除く): 17381217020

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1129, 1427, 1948, 2258, 2435, 2854, 4516, 4870, 5645, 5708, 7135, 9740, 11290, 14270, 22580, 28540, 549823, 694949, 1099646, 1389898, 1611083, 2199292, 2749115, 2779796, 3222166, 3474745, 5498230, 6444332, 6949490, 8055415, 10996460, 13898980, 16110830, 32221660, 784597421, 1569194842, 3138389684, 3922987105, 7845974210, 15691948420]

約数ペア:

[(1, 15691948420), (2, 7845974210), (4, 3922987105), (5, 3138389684), (10, 1569194842), (20, 784597421), (487, 32221660), (974, 16110830), (1129, 13898980), (1427, 10996460), (1948, 8055415), (2258, 6949490), (2435, 6444332), (2854, 5498230), (4516, 3474745), (4870, 3222166), (5645, 2779796), (5708, 2749115), (7135, 2199292), (9740, 1611083), (11290, 1389898), (14270, 1099646), (22580, 694949), (28540, 549823)]