81951550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 159489792

約数和(自身を除く): 77538242

約数列:

[1, 2, 5, 10, 25, 43, 47, 50, 86, 94, 215, 235, 430, 470, 811, 1075, 1175, 1622, 2021, 2150, 2350, 4042, 4055, 8110, 10105, 20210, 20275, 34873, 38117, 40550, 50525, 69746, 76234, 101050, 174365, 190585, 348730, 381170, 871825, 952925, 1639031, 1743650, 1905850, 3278062, 8195155, 16390310, 40975775, 81951550]

約数ペア:

[(1, 81951550), (2, 40975775), (5, 16390310), (10, 8195155), (25, 3278062), (43, 1905850), (47, 1743650), (50, 1639031), (86, 952925), (94, 871825), (215, 381170), (235, 348730), (430, 190585), (470, 174365), (811, 101050), (1075, 76234), (1175, 69746), (1622, 50525), (2021, 40550), (2150, 38117), (2350, 34873), (4042, 20275), (4055, 20210), (8110, 10105)]