17777240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 45632160

約数和(自身を除く): 27854920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2011, 2210, 4022, 4420, 8044, 8840, 10055, 16088, 20110, 26143, 34187, 40220, 52286, 68374, 80440, 104572, 130715, 136748, 170935, 209144, 261430, 273496, 341870, 444431, 522860, 683740, 888862, 1045720, 1367480, 1777724, 2222155, 3555448, 4444310, 8888620, 17777240]

約数ペア:

[(1, 17777240), (2, 8888620), (4, 4444310), (5, 3555448), (8, 2222155), (10, 1777724), (13, 1367480), (17, 1045720), (20, 888862), (26, 683740), (34, 522860), (40, 444431), (52, 341870), (65, 273496), (68, 261430), (85, 209144), (104, 170935), (130, 136748), (136, 130715), (170, 104572), (221, 80440), (260, 68374), (340, 52286), (442, 40220), (520, 34187), (680, 26143), (884, 20110), (1105, 16088), (1768, 10055), (2011, 8840), (2210, 8044), (4022, 4420)]