4039784450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1656

約数の個数: 72

約数和(自身を含む): 8164014300

約数和(自身を除く): 4124229850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 389, 650, 778, 845, 1229, 1690, 1945, 2458, 3890, 4225, 5057, 6145, 8450, 9725, 10114, 12290, 15977, 19450, 25285, 30725, 31954, 50570, 61450, 65741, 79885, 126425, 131482, 159770, 207701, 252850, 328705, 399425, 415402, 478081, 657410, 798850, 956162, 1038505, 1643525, 2077010, 2390405, 3287050, 4780810, 5192525, 6215053, 10385050, 11952025, 12430106, 23904050, 31075265, 62150530, 80795689, 155376325, 161591378, 310752650, 403978445, 807956890, 2019892225, 4039784450]

約数ペア:

[(1, 4039784450), (2, 2019892225), (5, 807956890), (10, 403978445), (13, 310752650), (25, 161591378), (26, 155376325), (50, 80795689), (65, 62150530), (130, 31075265), (169, 23904050), (325, 12430106), (338, 11952025), (389, 10385050), (650, 6215053), (778, 5192525), (845, 4780810), (1229, 3287050), (1690, 2390405), (1945, 2077010), (2458, 1643525), (3890, 1038505), (4225, 956162), (5057, 798850), (6145, 657410), (8450, 478081), (9725, 415402), (10114, 399425), (12290, 328705), (15977, 252850), (19450, 207701), (25285, 159770), (30725, 131482), (31954, 126425), (50570, 79885), (61450, 65741)]