64290125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 84824064

約数和(自身を除く): 20533939

約数列:

[1, 5, 25, 31, 47, 125, 155, 235, 353, 775, 1175, 1457, 1765, 3875, 5875, 7285, 8825, 10943, 16591, 36425, 44125, 54715, 82955, 182125, 273575, 414775, 514321, 1367875, 2073875, 2571605, 12858025, 64290125]

約数ペア:

[(1, 64290125), (5, 12858025), (25, 2571605), (31, 2073875), (47, 1367875), (125, 514321), (155, 414775), (235, 273575), (353, 182125), (775, 82955), (1175, 54715), (1457, 44125), (1765, 36425), (3875, 16591), (5875, 10943), (7285, 8825)]