38722640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 99636480

約数和(自身を除く): 60913840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 557, 632, 790, 869, 880, 1114, 1264, 1580, 1738, 2228, 2785, 3160, 3476, 4345, 4456, 5570, 6127, 6320, 6952, 8690, 8912, 11140, 12254, 13904, 17380, 22280, 24508, 30635, 34760, 44003, 44560, 49016, 61270, 69520, 88006, 98032, 122540, 176012, 220015, 245080, 352024, 440030, 484033, 490160, 704048, 880060, 968066, 1760120, 1936132, 2420165, 3520240, 3872264, 4840330, 7744528, 9680660, 19361320, 38722640]

約数ペア:

[(1, 38722640), (2, 19361320), (4, 9680660), (5, 7744528), (8, 4840330), (10, 3872264), (11, 3520240), (16, 2420165), (20, 1936132), (22, 1760120), (40, 968066), (44, 880060), (55, 704048), (79, 490160), (80, 484033), (88, 440030), (110, 352024), (158, 245080), (176, 220015), (220, 176012), (316, 122540), (395, 98032), (440, 88006), (557, 69520), (632, 61270), (790, 49016), (869, 44560), (880, 44003), (1114, 34760), (1264, 30635), (1580, 24508), (1738, 22280), (2228, 17380), (2785, 13904), (3160, 12254), (3476, 11140), (4345, 8912), (4456, 8690), (5570, 6952), (6127, 6320)]