127534420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{983}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 289296000

約数和(自身を除く): 161761580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 983, 998, 1966, 1996, 2495, 3932, 4915, 4990, 6487, 9830, 9980, 12779, 12974, 19660, 25558, 25948, 32435, 51116, 63895, 64870, 127790, 129740, 255580, 490517, 981034, 1962068, 2452585, 4905170, 6376721, 9810340, 12753442, 25506884, 31883605, 63767210, 127534420]

約数ペア:

[(1, 127534420), (2, 63767210), (4, 31883605), (5, 25506884), (10, 12753442), (13, 9810340), (20, 6376721), (26, 4905170), (52, 2452585), (65, 1962068), (130, 981034), (260, 490517), (499, 255580), (983, 129740), (998, 127790), (1966, 64870), (1996, 63895), (2495, 51116), (3932, 32435), (4915, 25948), (4990, 25558), (6487, 19660), (9830, 12974), (9980, 12779)]