8468720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 14029840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 479, 520, 680, 884, 958, 1040, 1105, 1360, 1768, 1916, 2210, 2395, 3536, 3832, 4420, 4790, 6227, 7664, 8143, 8840, 9580, 12454, 16286, 17680, 19160, 24908, 31135, 32572, 38320, 40715, 49816, 62270, 65144, 81430, 99632, 105859, 124540, 130288, 162860, 211718, 249080, 325720, 423436, 498160, 529295, 651440, 846872, 1058590, 1693744, 2117180, 4234360, 8468720]

約数ペア:

[(1, 8468720), (2, 4234360), (4, 2117180), (5, 1693744), (8, 1058590), (10, 846872), (13, 651440), (16, 529295), (17, 498160), (20, 423436), (26, 325720), (34, 249080), (40, 211718), (52, 162860), (65, 130288), (68, 124540), (80, 105859), (85, 99632), (104, 81430), (130, 65144), (136, 62270), (170, 49816), (208, 40715), (221, 38320), (260, 32572), (272, 31135), (340, 24908), (442, 19160), (479, 17680), (520, 16286), (680, 12454), (884, 9580), (958, 8840), (1040, 8143), (1105, 7664), (1360, 6227), (1768, 4790), (1916, 4420), (2210, 3832), (2395, 3536)]