42191875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 60

約数和(自身を含む): 64273176

約数和(自身を除く): 22081301

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 125, 187, 209, 275, 323, 361, 425, 475, 625, 935, 1045, 1375, 1615, 1805, 2125, 2375, 3553, 3971, 4675, 5225, 6137, 6875, 8075, 9025, 10625, 11875, 17765, 19855, 23375, 26125, 30685, 40375, 45125, 67507, 88825, 99275, 116875, 130625, 153425, 201875, 225625, 337535, 444125, 496375, 767125, 1687675, 2220625, 2481875, 3835625, 8438375, 42191875]

約数ペア:

[(1, 42191875), (5, 8438375), (11, 3835625), (17, 2481875), (19, 2220625), (25, 1687675), (55, 767125), (85, 496375), (95, 444125), (125, 337535), (187, 225625), (209, 201875), (275, 153425), (323, 130625), (361, 116875), (425, 99275), (475, 88825), (625, 67507), (935, 45125), (1045, 40375), (1375, 30685), (1615, 26125), (1805, 23375), (2125, 19855), (2375, 17765), (3553, 11875), (3971, 10625), (4675, 9025), (5225, 8075), (6137, 6875)]