1040390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 2068416

約数和(自身を除く): 1028026

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 151, 265, 302, 530, 689, 755, 1378, 1510, 1963, 3445, 3926, 6890, 8003, 9815, 16006, 19630, 40015, 80030, 104039, 208078, 520195, 1040390]

約数ペア:

[(1, 1040390), (2, 520195), (5, 208078), (10, 104039), (13, 80030), (26, 40015), (53, 19630), (65, 16006), (106, 9815), (130, 8003), (151, 6890), (265, 3926), (302, 3445), (530, 1963), (689, 1510), (755, 1378)]