10104040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 23904720

約数和(自身を除く): 13800680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 101, 122, 164, 202, 205, 244, 305, 328, 404, 410, 488, 505, 610, 808, 820, 1010, 1220, 1640, 2020, 2440, 2501, 4040, 4141, 5002, 6161, 8282, 10004, 12322, 12505, 16564, 20008, 20705, 24644, 25010, 30805, 33128, 41410, 49288, 50020, 61610, 82820, 100040, 123220, 165640, 246440, 252601, 505202, 1010404, 1263005, 2020808, 2526010, 5052020, 10104040]

約数ペア:

[(1, 10104040), (2, 5052020), (4, 2526010), (5, 2020808), (8, 1263005), (10, 1010404), (20, 505202), (40, 252601), (41, 246440), (61, 165640), (82, 123220), (101, 100040), (122, 82820), (164, 61610), (202, 50020), (205, 49288), (244, 41410), (305, 33128), (328, 30805), (404, 25010), (410, 24644), (488, 20705), (505, 20008), (610, 16564), (808, 12505), (820, 12322), (1010, 10004), (1220, 8282), (1640, 6161), (2020, 5002), (2440, 4141), (2501, 4040)]