865183280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11717}}^1$

素因数の和:11814

約数の個数: 80

約数和(自身を含む): 2196984384

約数和(自身を除く): 1331801104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 3692, 4615, 5680, 7384, 9230, 11717, 14768, 18460, 23434, 36920, 46868, 58585, 73840, 93736, 117170, 152321, 187472, 234340, 304642, 468680, 609284, 761605, 831907, 937360, 1218568, 1523210, 1663814, 2437136, 3046420, 3327628, 4159535, 6092840, 6655256, 8319070, 10814791, 12185680, 13310512, 16638140, 21629582, 33276280, 43259164, 54073955, 66552560, 86518328, 108147910, 173036656, 216295820, 432591640, 865183280]

約数ペア:

[(1, 865183280), (2, 432591640), (4, 216295820), (5, 173036656), (8, 108147910), (10, 86518328), (13, 66552560), (16, 54073955), (20, 43259164), (26, 33276280), (40, 21629582), (52, 16638140), (65, 13310512), (71, 12185680), (80, 10814791), (104, 8319070), (130, 6655256), (142, 6092840), (208, 4159535), (260, 3327628), (284, 3046420), (355, 2437136), (520, 1663814), (568, 1523210), (710, 1218568), (923, 937360), (1040, 831907), (1136, 761605), (1420, 609284), (1846, 468680), (2840, 304642), (3692, 234340), (4615, 187472), (5680, 152321), (7384, 117170), (9230, 93736), (11717, 73840), (14768, 58585), (18460, 46868), (23434, 36920)]