102847120

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1987}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 239609664

約数和(自身を除く): 136762544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1987, 2588, 3235, 3974, 5176, 6470, 7948, 9935, 10352, 12940, 15896, 19870, 25880, 31792, 39740, 51760, 79480, 158960, 1285589, 2571178, 5142356, 6427945, 10284712, 12855890, 20569424, 25711780, 51423560, 102847120]

約数ペア:

[(1, 102847120), (2, 51423560), (4, 25711780), (5, 20569424), (8, 12855890), (10, 10284712), (16, 6427945), (20, 5142356), (40, 2571178), (80, 1285589), (647, 158960), (1294, 79480), (1987, 51760), (2588, 39740), (3235, 31792), (3974, 25880), (5176, 19870), (6470, 15896), (7948, 12940), (9935, 10352)]