9968355625

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{5479}}^1$

素因数の和:5611

約数の個数: 40

約数和(自身を含む): 12942357120

約数和(自身を除く): 2974001495

約数列:

[1, 5, 25, 41, 71, 125, 205, 355, 625, 1025, 1775, 2911, 5125, 5479, 8875, 14555, 25625, 27395, 44375, 72775, 136975, 224639, 363875, 389009, 684875, 1123195, 1819375, 1945045, 3424375, 5615975, 9725225, 15949369, 28079875, 48626125, 79746845, 140399375, 243130625, 398734225, 1993671125, 9968355625]

約数ペア:

[(1, 9968355625), (5, 1993671125), (25, 398734225), (41, 243130625), (71, 140399375), (125, 79746845), (205, 48626125), (355, 28079875), (625, 15949369), (1025, 9725225), (1775, 5615975), (2911, 3424375), (5125, 1945045), (5479, 1819375), (8875, 1123195), (14555, 684875), (25625, 389009), (27395, 363875), (44375, 224639), (72775, 136975)]