17204720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 43872192

約数和(自身を除く): 26667472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 233, 260, 284, 355, 466, 520, 568, 710, 923, 932, 1040, 1136, 1165, 1420, 1846, 1864, 2330, 2840, 3029, 3692, 3728, 4615, 4660, 5680, 6058, 7384, 9230, 9320, 12116, 14768, 15145, 16543, 18460, 18640, 24232, 30290, 33086, 36920, 48464, 60580, 66172, 73840, 82715, 121160, 132344, 165430, 215059, 242320, 264688, 330860, 430118, 661720, 860236, 1075295, 1323440, 1720472, 2150590, 3440944, 4301180, 8602360, 17204720]

約数ペア:

[(1, 17204720), (2, 8602360), (4, 4301180), (5, 3440944), (8, 2150590), (10, 1720472), (13, 1323440), (16, 1075295), (20, 860236), (26, 661720), (40, 430118), (52, 330860), (65, 264688), (71, 242320), (80, 215059), (104, 165430), (130, 132344), (142, 121160), (208, 82715), (233, 73840), (260, 66172), (284, 60580), (355, 48464), (466, 36920), (520, 33086), (568, 30290), (710, 24232), (923, 18640), (932, 18460), (1040, 16543), (1136, 15145), (1165, 14768), (1420, 12116), (1846, 9320), (1864, 9230), (2330, 7384), (2840, 6058), (3029, 5680), (3692, 4660), (3728, 4615)]