19503118825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{709}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 25380875520

約数和(自身を除く): 5877756695

約数列:

[1, 5, 25, 41, 47, 205, 235, 571, 709, 1025, 1175, 1927, 2855, 3545, 9635, 14275, 17725, 23411, 26837, 29069, 33323, 48175, 117055, 134185, 145345, 166615, 404839, 585275, 670925, 726725, 833075, 1100317, 1366243, 2024195, 5501585, 6831215, 10120975, 16598399, 19027433, 27507925, 34156075, 82991995, 95137165, 414959975, 475685825, 780124753, 3900623765, 19503118825]

約数ペア:

[(1, 19503118825), (5, 3900623765), (25, 780124753), (41, 475685825), (47, 414959975), (205, 95137165), (235, 82991995), (571, 34156075), (709, 27507925), (1025, 19027433), (1175, 16598399), (1927, 10120975), (2855, 6831215), (3545, 5501585), (9635, 2024195), (14275, 1366243), (17725, 1100317), (23411, 833075), (26837, 726725), (29069, 670925), (33323, 585275), (48175, 404839), (117055, 166615), (134185, 145345)]