813303020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{5857}}^1$

素因数の和:6050

約数の個数: 48

約数和(自身を含む): 1753744608

約数和(自身を除く): 940441588

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 212, 262, 265, 524, 530, 655, 1060, 1310, 2620, 5857, 6943, 11714, 13886, 23428, 27772, 29285, 34715, 58570, 69430, 117140, 138860, 310421, 620842, 767267, 1241684, 1534534, 1552105, 3069068, 3104210, 3836335, 6208420, 7672670, 15345340, 40665151, 81330302, 162660604, 203325755, 406651510, 813303020]

約数ペア:

[(1, 813303020), (2, 406651510), (4, 203325755), (5, 162660604), (10, 81330302), (20, 40665151), (53, 15345340), (106, 7672670), (131, 6208420), (212, 3836335), (262, 3104210), (265, 3069068), (524, 1552105), (530, 1534534), (655, 1241684), (1060, 767267), (1310, 620842), (2620, 310421), (5857, 138860), (6943, 117140), (11714, 69430), (13886, 58570), (23428, 34715), (27772, 29285)]