31896250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 67478400

約数和(自身を除く): 35582150

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 79, 85, 95, 125, 158, 170, 190, 250, 323, 395, 425, 475, 625, 646, 790, 850, 950, 1250, 1343, 1501, 1615, 1975, 2125, 2375, 2686, 3002, 3230, 3950, 4250, 4750, 6715, 7505, 8075, 9875, 10625, 11875, 13430, 15010, 16150, 19750, 21250, 23750, 25517, 33575, 37525, 40375, 49375, 51034, 67150, 75050, 80750, 98750, 127585, 167875, 187625, 201875, 255170, 335750, 375250, 403750, 637925, 839375, 938125, 1275850, 1678750, 1876250, 3189625, 6379250, 15948125, 31896250]

約数ペア:

[(1, 31896250), (2, 15948125), (5, 6379250), (10, 3189625), (17, 1876250), (19, 1678750), (25, 1275850), (34, 938125), (38, 839375), (50, 637925), (79, 403750), (85, 375250), (95, 335750), (125, 255170), (158, 201875), (170, 187625), (190, 167875), (250, 127585), (323, 98750), (395, 80750), (425, 75050), (475, 67150), (625, 51034), (646, 49375), (790, 40375), (850, 37525), (950, 33575), (1250, 25517), (1343, 23750), (1501, 21250), (1615, 19750), (1975, 16150), (2125, 15010), (2375, 13430), (2686, 11875), (3002, 10625), (3230, 9875), (3950, 8075), (4250, 7505), (4750, 6715)]