31530875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 41533440

約数和(自身を除く): 10002565

約数列:

[1, 5, 25, 31, 79, 103, 125, 155, 395, 515, 775, 1975, 2449, 2575, 3193, 3875, 8137, 9875, 12245, 12875, 15965, 40685, 61225, 79825, 203425, 252247, 306125, 399125, 1017125, 1261235, 6306175, 31530875]

約数ペア:

[(1, 31530875), (5, 6306175), (25, 1261235), (31, 1017125), (79, 399125), (103, 306125), (125, 252247), (155, 203425), (395, 79825), (515, 61225), (775, 40685), (1975, 15965), (2449, 12875), (2575, 12245), (3193, 9875), (3875, 8137)]