2870115625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 4157733888

約数和(自身を除く): 1287618263

約数列:

[1, 5, 13, 25, 31, 43, 53, 65, 125, 155, 215, 265, 325, 403, 559, 625, 689, 775, 1075, 1325, 1333, 1625, 1643, 2015, 2279, 2795, 3125, 3445, 3875, 5375, 6625, 6665, 8125, 8215, 10075, 11395, 13975, 17225, 17329, 19375, 21359, 26875, 29627, 33125, 33325, 40625, 41075, 50375, 56975, 69875, 70649, 86125, 86645, 96875, 106795, 134375, 148135, 165625, 166625, 205375, 251875, 284875, 349375, 353245, 430625, 433225, 533975, 740675, 833125, 918437, 1026875, 1259375, 1424375, 1746875, 1766225, 2153125, 2166125, 2669875, 3703375, 4165625, 4592185, 5134375, 7121875, 8831125, 10830625, 13349375, 18516875, 22960925, 44155625, 54153125, 66746875, 92584375, 114804625, 220778125, 574023125, 2870115625]

約数ペア:

[(1, 2870115625), (5, 574023125), (13, 220778125), (25, 114804625), (31, 92584375), (43, 66746875), (53, 54153125), (65, 44155625), (125, 22960925), (155, 18516875), (215, 13349375), (265, 10830625), (325, 8831125), (403, 7121875), (559, 5134375), (625, 4592185), (689, 4165625), (775, 3703375), (1075, 2669875), (1325, 2166125), (1333, 2153125), (1625, 1766225), (1643, 1746875), (2015, 1424375), (2279, 1259375), (2795, 1026875), (3125, 918437), (3445, 833125), (3875, 740675), (5375, 533975), (6625, 433225), (6665, 430625), (8125, 353245), (8215, 349375), (10075, 284875), (11395, 251875), (13975, 205375), (17225, 166625), (17329, 165625), (19375, 148135), (21359, 134375), (26875, 106795), (29627, 96875), (33125, 86645), (33325, 86125), (40625, 70649), (41075, 69875), (50375, 56975)]