25246000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1007

約数の個数: 80

約数和(自身を含む): 65808288

約数和(自身を除く): 40562288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 971, 1000, 1040, 1300, 1625, 1942, 2000, 2600, 3250, 3884, 4855, 5200, 6500, 7768, 9710, 12623, 13000, 15536, 19420, 24275, 25246, 26000, 38840, 48550, 50492, 63115, 77680, 97100, 100984, 121375, 126230, 194200, 201968, 242750, 252460, 315575, 388400, 485500, 504920, 631150, 971000, 1009840, 1262300, 1577875, 1942000, 2524600, 3155750, 5049200, 6311500, 12623000, 25246000]

約数ペア:

[(1, 25246000), (2, 12623000), (4, 6311500), (5, 5049200), (8, 3155750), (10, 2524600), (13, 1942000), (16, 1577875), (20, 1262300), (25, 1009840), (26, 971000), (40, 631150), (50, 504920), (52, 485500), (65, 388400), (80, 315575), (100, 252460), (104, 242750), (125, 201968), (130, 194200), (200, 126230), (208, 121375), (250, 100984), (260, 97100), (325, 77680), (400, 63115), (500, 50492), (520, 48550), (650, 38840), (971, 26000), (1000, 25246), (1040, 24275), (1300, 19420), (1625, 15536), (1942, 13000), (2000, 12623), (2600, 9710), (3250, 7768), (3884, 6500), (4855, 5200)]