18062789375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 24772070400

約数和(自身を除く): 6709281025

約数列:

[1, 5, 19, 25, 31, 95, 125, 139, 155, 353, 475, 589, 625, 695, 775, 1765, 2375, 2641, 2945, 3475, 3875, 4309, 6707, 8825, 10943, 11875, 13205, 14725, 17375, 19375, 21545, 33535, 44125, 49067, 54715, 66025, 73625, 81871, 86875, 107725, 167675, 207917, 220625, 245335, 273575, 330125, 368125, 409355, 538625, 838375, 932273, 1039585, 1226675, 1367875, 1521077, 1650625, 2046775, 2693125, 4191875, 4661365, 5197925, 6133375, 6839375, 7605385, 10233875, 23306825, 25989625, 28900463, 30666875, 38026925, 51169375, 116534125, 129948125, 144502315, 190134625, 582670625, 722511575, 950673125, 3612557875, 18062789375]

約数ペア:

[(1, 18062789375), (5, 3612557875), (19, 950673125), (25, 722511575), (31, 582670625), (95, 190134625), (125, 144502315), (139, 129948125), (155, 116534125), (353, 51169375), (475, 38026925), (589, 30666875), (625, 28900463), (695, 25989625), (775, 23306825), (1765, 10233875), (2375, 7605385), (2641, 6839375), (2945, 6133375), (3475, 5197925), (3875, 4661365), (4309, 4191875), (6707, 2693125), (8825, 2046775), (10943, 1650625), (11875, 1521077), (13205, 1367875), (14725, 1226675), (17375, 1039585), (19375, 932273), (21545, 838375), (33535, 538625), (44125, 409355), (49067, 368125), (54715, 330125), (66025, 273575), (73625, 245335), (81871, 220625), (86875, 207917), (107725, 167675)]