22881560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 33364840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 557, 632, 790, 1027, 1114, 1580, 2054, 2228, 2785, 3160, 4108, 4456, 5135, 5570, 7241, 8216, 10270, 11140, 14482, 20540, 22280, 28964, 36205, 41080, 44003, 57928, 72410, 88006, 144820, 176012, 220015, 289640, 352024, 440030, 572039, 880060, 1144078, 1760120, 2288156, 2860195, 4576312, 5720390, 11440780, 22881560]

約数ペア:

[(1, 22881560), (2, 11440780), (4, 5720390), (5, 4576312), (8, 2860195), (10, 2288156), (13, 1760120), (20, 1144078), (26, 880060), (40, 572039), (52, 440030), (65, 352024), (79, 289640), (104, 220015), (130, 176012), (158, 144820), (260, 88006), (316, 72410), (395, 57928), (520, 44003), (557, 41080), (632, 36205), (790, 28964), (1027, 22280), (1114, 20540), (1580, 14482), (2054, 11140), (2228, 10270), (2785, 8216), (3160, 7241), (4108, 5570), (4456, 5135)]