400041700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{38839}}^1$

素因数の和:38956

約数の個数: 36

約数和(自身を含む): 876541120

約数和(自身を除く): 476499420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 38839, 77678, 155356, 194195, 388390, 776780, 970975, 1941950, 3883900, 4000417, 8000834, 16001668, 20002085, 40004170, 80008340, 100010425, 200020850, 400041700]

約数ペア:

[(1, 400041700), (2, 200020850), (4, 100010425), (5, 80008340), (10, 40004170), (20, 20002085), (25, 16001668), (50, 8000834), (100, 4000417), (103, 3883900), (206, 1941950), (412, 970975), (515, 776780), (1030, 388390), (2060, 194195), (2575, 155356), (5150, 77678), (10300, 38839)]