83890625

素因数分解:

$5^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 56

約数和(自身を含む): 131248320

約数和(自身を除く): 47357695

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 125, 175, 295, 325, 413, 455, 625, 767, 875, 1475, 1625, 2065, 2275, 3125, 3835, 4375, 5369, 7375, 8125, 10325, 11375, 15625, 19175, 21875, 26845, 36875, 40625, 51625, 56875, 95875, 109375, 134225, 184375, 203125, 258125, 284375, 479375, 671125, 921875, 1290625, 1421875, 2396875, 3355625, 6453125, 11984375, 16778125, 83890625]

約数ペア:

[(1, 83890625), (5, 16778125), (7, 11984375), (13, 6453125), (25, 3355625), (35, 2396875), (59, 1421875), (65, 1290625), (91, 921875), (125, 671125), (175, 479375), (295, 284375), (325, 258125), (413, 203125), (455, 184375), (625, 134225), (767, 109375), (875, 95875), (1475, 56875), (1625, 51625), (2065, 40625), (2275, 36875), (3125, 26845), (3835, 21875), (4375, 19175), (5369, 15625), (7375, 11375), (8125, 10325)]