40416160

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 100399824

約数和(自身を除く): 59983664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 80, 82, 101, 122, 160, 164, 202, 205, 244, 305, 328, 404, 410, 488, 505, 610, 656, 808, 820, 976, 1010, 1220, 1312, 1616, 1640, 1952, 2020, 2440, 2501, 3232, 3280, 4040, 4141, 4880, 5002, 6161, 6560, 8080, 8282, 9760, 10004, 12322, 12505, 16160, 16564, 20008, 20705, 24644, 25010, 30805, 33128, 40016, 41410, 49288, 50020, 61610, 66256, 80032, 82820, 98576, 100040, 123220, 132512, 165640, 197152, 200080, 246440, 252601, 331280, 400160, 492880, 505202, 662560, 985760, 1010404, 1263005, 2020808, 2526010, 4041616, 5052020, 8083232, 10104040, 20208080, 40416160]

約数ペア:

[(1, 40416160), (2, 20208080), (4, 10104040), (5, 8083232), (8, 5052020), (10, 4041616), (16, 2526010), (20, 2020808), (32, 1263005), (40, 1010404), (41, 985760), (61, 662560), (80, 505202), (82, 492880), (101, 400160), (122, 331280), (160, 252601), (164, 246440), (202, 200080), (205, 197152), (244, 165640), (305, 132512), (328, 123220), (404, 100040), (410, 98576), (488, 82820), (505, 80032), (610, 66256), (656, 61610), (808, 50020), (820, 49288), (976, 41410), (1010, 40016), (1220, 33128), (1312, 30805), (1616, 25010), (1640, 24644), (1952, 20705), (2020, 20008), (2440, 16564), (2501, 16160), (3232, 12505), (3280, 12322), (4040, 10004), (4141, 9760), (4880, 8282), (5002, 8080), (6161, 6560)]