1640376690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{85303}}^1$

素因数の和:85954

約数の個数: 32

約数和(自身を含む): 3943092096

約数和(自身を除く): 2302715406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1282, 1923, 3205, 3846, 6410, 9615, 19230, 85303, 170606, 255909, 426515, 511818, 853030, 1279545, 2559090, 54679223, 109358446, 164037669, 273396115, 328075338, 546792230, 820188345, 1640376690]

約数ペア:

[(1, 1640376690), (2, 820188345), (3, 546792230), (5, 328075338), (6, 273396115), (10, 164037669), (15, 109358446), (30, 54679223), (641, 2559090), (1282, 1279545), (1923, 853030), (3205, 511818), (3846, 426515), (6410, 255909), (9615, 170606), (19230, 85303)]