1640328992

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{9967}}^1$

素因数の和:10153

約数の個数: 48

約数和(自身を含む): 3340874880

約数和(自身を除く): 1700545888

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 139, 148, 278, 296, 556, 592, 1112, 1184, 2224, 4448, 5143, 9967, 10286, 19934, 20572, 39868, 41144, 79736, 82288, 159472, 164576, 318944, 368779, 737558, 1385413, 1475116, 2770826, 2950232, 5541652, 5900464, 11083304, 11800928, 22166608, 44333216, 51260281, 102520562, 205041124, 410082248, 820164496, 1640328992]

約数ペア:

[(1, 1640328992), (2, 820164496), (4, 410082248), (8, 205041124), (16, 102520562), (32, 51260281), (37, 44333216), (74, 22166608), (139, 11800928), (148, 11083304), (278, 5900464), (296, 5541652), (556, 2950232), (592, 2770826), (1112, 1475116), (1184, 1385413), (2224, 737558), (4448, 368779), (5143, 318944), (9967, 164576), (10286, 159472), (19934, 82288), (20572, 79736), (39868, 41144)]