89688453125

素因数分解:

$5^6\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:865

約数の個数: 56

約数和(自身を含む): 114711031680

約数和(自身を除く): 25022578555

約数列:

[1, 5, 25, 79, 113, 125, 395, 565, 625, 643, 1975, 2825, 3125, 3215, 8927, 9875, 14125, 15625, 16075, 44635, 49375, 50797, 70625, 72659, 80375, 223175, 246875, 253985, 353125, 363295, 401875, 1115875, 1234375, 1269925, 1765625, 1816475, 2009375, 5579375, 5740061, 6349625, 9082375, 10046875, 27896875, 28700305, 31748125, 45411875, 139484375, 143501525, 158740625, 227059375, 717507625, 793703125, 1135296875, 3587538125, 17937690625, 89688453125]

約数ペア:

[(1, 89688453125), (5, 17937690625), (25, 3587538125), (79, 1135296875), (113, 793703125), (125, 717507625), (395, 227059375), (565, 158740625), (625, 143501525), (643, 139484375), (1975, 45411875), (2825, 31748125), (3125, 28700305), (3215, 27896875), (8927, 10046875), (9875, 9082375), (14125, 6349625), (15625, 5740061), (16075, 5579375), (44635, 2009375), (49375, 1816475), (50797, 1765625), (70625, 1269925), (72659, 1234375), (80375, 1115875), (223175, 401875), (246875, 363295), (253985, 353125)]