1380821375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8376

約数の個数: 32

約数和(自身を含む): 1820442624

約数和(自身を除く): 439621249

約数列:

[1, 5, 25, 31, 43, 125, 155, 215, 775, 1075, 1333, 3875, 5375, 6665, 8287, 33325, 41435, 166625, 207175, 256897, 356341, 1035875, 1284485, 1781705, 6422425, 8908525, 11046571, 32112125, 44542625, 55232855, 276164275, 1380821375]

約数ペア:

[(1, 1380821375), (5, 276164275), (25, 55232855), (31, 44542625), (43, 32112125), (125, 11046571), (155, 8908525), (215, 6422425), (775, 1781705), (1075, 1284485), (1333, 1035875), (3875, 356341), (5375, 256897), (6665, 207175), (8287, 166625), (33325, 41435)]