2019204080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{7417}}^1$

素因数の和:7554

約数の個数: 80

約数和(自身を含む): 4867750944

約数和(自身を除く): 2848546864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 328, 332, 410, 415, 656, 664, 820, 830, 1328, 1640, 1660, 3280, 3320, 3403, 6640, 6806, 7417, 13612, 14834, 17015, 27224, 29668, 34030, 37085, 54448, 59336, 68060, 74170, 118672, 136120, 148340, 272240, 296680, 304097, 593360, 608194, 615611, 1216388, 1231222, 1520485, 2432776, 2462444, 3040970, 3078055, 4865552, 4924888, 6081940, 6156110, 9849776, 12163880, 12312220, 24327760, 24624440, 25240051, 49248880, 50480102, 100960204, 126200255, 201920408, 252400510, 403840816, 504801020, 1009602040, 2019204080]

約数ペア:

[(1, 2019204080), (2, 1009602040), (4, 504801020), (5, 403840816), (8, 252400510), (10, 201920408), (16, 126200255), (20, 100960204), (40, 50480102), (41, 49248880), (80, 25240051), (82, 24624440), (83, 24327760), (164, 12312220), (166, 12163880), (205, 9849776), (328, 6156110), (332, 6081940), (410, 4924888), (415, 4865552), (656, 3078055), (664, 3040970), (820, 2462444), (830, 2432776), (1328, 1520485), (1640, 1231222), (1660, 1216388), (3280, 615611), (3320, 608194), (3403, 593360), (6640, 304097), (6806, 296680), (7417, 272240), (13612, 148340), (14834, 136120), (17015, 118672), (27224, 74170), (29668, 68060), (34030, 59336), (37085, 54448)]