157787500

素因数分解:

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

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 372069936

約数和(自身を除く): 214282436

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 971, 1250, 1300, 1625, 1942, 2500, 3125, 3250, 3884, 4855, 6250, 6500, 8125, 9710, 12500, 12623, 16250, 19420, 24275, 25246, 32500, 40625, 48550, 50492, 63115, 81250, 97100, 121375, 126230, 162500, 242750, 252460, 315575, 485500, 606875, 631150, 1213750, 1262300, 1577875, 2427500, 3034375, 3155750, 6068750, 6311500, 7889375, 12137500, 15778750, 31557500, 39446875, 78893750, 157787500]

約数ペア:

[(1, 157787500), (2, 78893750), (4, 39446875), (5, 31557500), (10, 15778750), (13, 12137500), (20, 7889375), (25, 6311500), (26, 6068750), (50, 3155750), (52, 3034375), (65, 2427500), (100, 1577875), (125, 1262300), (130, 1213750), (250, 631150), (260, 606875), (325, 485500), (500, 315575), (625, 252460), (650, 242750), (971, 162500), (1250, 126230), (1300, 121375), (1625, 97100), (1942, 81250), (2500, 63115), (3125, 50492), (3250, 48550), (3884, 40625), (4855, 32500), (6250, 25246), (6500, 24275), (8125, 19420), (9710, 16250), (12500, 12623)]