1640412790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1\times {\mathrm{4507}}^1$

素因数の和:6672

約数の個数: 32

約数和(自身を含む): 3128588064

約数和(自身を除く): 1488175274

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 2141, 4282, 4507, 9014, 10705, 21410, 22535, 36397, 45070, 72794, 76619, 153238, 181985, 363970, 383095, 766190, 9649487, 19298974, 48247435, 96494870, 164041279, 328082558, 820206395, 1640412790]

約数ペア:

[(1, 1640412790), (2, 820206395), (5, 328082558), (10, 164041279), (17, 96494870), (34, 48247435), (85, 19298974), (170, 9649487), (2141, 766190), (4282, 383095), (4507, 363970), (9014, 181985), (10705, 153238), (21410, 76619), (22535, 72794), (36397, 45070)]