89765000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 80

約数和(自身を含む): 226661820

約数和(自身を除く): 136896820

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1381, 1625, 2500, 2600, 2762, 3250, 5000, 5524, 6500, 6905, 8125, 11048, 13000, 13810, 16250, 17953, 27620, 32500, 34525, 35906, 55240, 65000, 69050, 71812, 89765, 138100, 143624, 172625, 179530, 276200, 345250, 359060, 448825, 690500, 718120, 863125, 897650, 1381000, 1726250, 1795300, 2244125, 3452500, 3590600, 4488250, 6905000, 8976500, 11220625, 17953000, 22441250, 44882500, 89765000]

約数ペア:

[(1, 89765000), (2, 44882500), (4, 22441250), (5, 17953000), (8, 11220625), (10, 8976500), (13, 6905000), (20, 4488250), (25, 3590600), (26, 3452500), (40, 2244125), (50, 1795300), (52, 1726250), (65, 1381000), (100, 897650), (104, 863125), (125, 718120), (130, 690500), (200, 448825), (250, 359060), (260, 345250), (325, 276200), (500, 179530), (520, 172625), (625, 143624), (650, 138100), (1000, 89765), (1250, 71812), (1300, 69050), (1381, 65000), (1625, 55240), (2500, 35906), (2600, 34525), (2762, 32500), (3250, 27620), (5000, 17953), (5524, 16250), (6500, 13810), (6905, 13000), (8125, 11048)]