57172040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 133902720

約数和(自身を除く): 76730680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 491, 568, 710, 820, 982, 1420, 1640, 1964, 2455, 2840, 2911, 3928, 4910, 5822, 9820, 11644, 14555, 19640, 20131, 23288, 29110, 34861, 40262, 58220, 69722, 80524, 100655, 116440, 139444, 161048, 174305, 201310, 278888, 348610, 402620, 697220, 805240, 1394440, 1429301, 2858602, 5717204, 7146505, 11434408, 14293010, 28586020, 57172040]

約数ペア:

[(1, 57172040), (2, 28586020), (4, 14293010), (5, 11434408), (8, 7146505), (10, 5717204), (20, 2858602), (40, 1429301), (41, 1394440), (71, 805240), (82, 697220), (142, 402620), (164, 348610), (205, 278888), (284, 201310), (328, 174305), (355, 161048), (410, 139444), (491, 116440), (568, 100655), (710, 80524), (820, 69722), (982, 58220), (1420, 40262), (1640, 34861), (1964, 29110), (2455, 23288), (2840, 20131), (2911, 19640), (3928, 14555), (4910, 11644), (5822, 9820)]