160920080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 389225088

約数和(自身を除く): 228305008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 284, 328, 355, 410, 568, 656, 691, 710, 820, 1136, 1382, 1420, 1640, 2764, 2840, 2911, 3280, 3455, 5528, 5680, 5822, 6910, 11056, 11644, 13820, 14555, 23288, 27640, 28331, 29110, 46576, 49061, 55280, 56662, 58220, 98122, 113324, 116440, 141655, 196244, 226648, 232880, 245305, 283310, 392488, 453296, 490610, 566620, 784976, 981220, 1133240, 1962440, 2011501, 2266480, 3924880, 4023002, 8046004, 10057505, 16092008, 20115010, 32184016, 40230020, 80460040, 160920080]

約数ペア:

[(1, 160920080), (2, 80460040), (4, 40230020), (5, 32184016), (8, 20115010), (10, 16092008), (16, 10057505), (20, 8046004), (40, 4023002), (41, 3924880), (71, 2266480), (80, 2011501), (82, 1962440), (142, 1133240), (164, 981220), (205, 784976), (284, 566620), (328, 490610), (355, 453296), (410, 392488), (568, 283310), (656, 245305), (691, 232880), (710, 226648), (820, 196244), (1136, 141655), (1382, 116440), (1420, 113324), (1640, 98122), (2764, 58220), (2840, 56662), (2911, 55280), (3280, 49061), (3455, 46576), (5528, 29110), (5680, 28331), (5822, 27640), (6910, 23288), (11056, 14555), (11644, 13820)]