800320

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 56

約数和(自身を含む): 1984248

約数和(自身を除く): 1183928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 122, 160, 164, 205, 244, 305, 320, 328, 410, 488, 610, 656, 820, 976, 1220, 1312, 1640, 1952, 2440, 2501, 2624, 3280, 3904, 4880, 5002, 6560, 9760, 10004, 12505, 13120, 19520, 20008, 25010, 40016, 50020, 80032, 100040, 160064, 200080, 400160, 800320]

約数ペア:

[(1, 800320), (2, 400160), (4, 200080), (5, 160064), (8, 100040), (10, 80032), (16, 50020), (20, 40016), (32, 25010), (40, 20008), (41, 19520), (61, 13120), (64, 12505), (80, 10004), (82, 9760), (122, 6560), (160, 5002), (164, 4880), (205, 3904), (244, 3280), (305, 2624), (320, 2501), (328, 2440), (410, 1952), (488, 1640), (610, 1312), (656, 1220), (820, 976)]