8176327280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{320389}}^1$

素因数の和:320442

約数の個数: 80

約数和(自身を含む): 21453314400

約数和(自身を除く): 13276987120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 320389, 640778, 1281556, 1601945, 2563112, 3203890, 3524279, 5126224, 6407780, 7048558, 9291281, 12815560, 14097116, 17621395, 18582562, 25631120, 28194232, 35242790, 37165124, 46456405, 56388464, 70485580, 74330248, 92912810, 102204091, 140971160, 148660496, 185825620, 204408182, 281942320, 371651240, 408816364, 511020455, 743302480, 817632728, 1022040910, 1635265456, 2044081820, 4088163640, 8176327280]

約数ペア:

[(1, 8176327280), (2, 4088163640), (4, 2044081820), (5, 1635265456), (8, 1022040910), (10, 817632728), (11, 743302480), (16, 511020455), (20, 408816364), (22, 371651240), (29, 281942320), (40, 204408182), (44, 185825620), (55, 148660496), (58, 140971160), (80, 102204091), (88, 92912810), (110, 74330248), (116, 70485580), (145, 56388464), (176, 46456405), (220, 37165124), (232, 35242790), (290, 28194232), (319, 25631120), (440, 18582562), (464, 17621395), (580, 14097116), (638, 12815560), (880, 9291281), (1160, 7048558), (1276, 6407780), (1595, 5126224), (2320, 3524279), (2552, 3203890), (3190, 2563112), (5104, 1601945), (6380, 1281556), (12760, 640778), (25520, 320389)]