80485760

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1877}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 195387120

約数和(自身を除く): 114901360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1877, 2144, 2680, 3754, 4288, 5360, 7508, 8576, 9385, 10720, 15016, 18770, 21440, 30032, 37540, 42880, 60064, 75080, 120128, 125759, 150160, 240256, 251518, 300320, 503036, 600640, 628795, 1006072, 1201280, 1257590, 2012144, 2515180, 4024288, 5030360, 8048576, 10060720, 16097152, 20121440, 40242880, 80485760]

約数ペア:

[(1, 80485760), (2, 40242880), (4, 20121440), (5, 16097152), (8, 10060720), (10, 8048576), (16, 5030360), (20, 4024288), (32, 2515180), (40, 2012144), (64, 1257590), (67, 1201280), (80, 1006072), (128, 628795), (134, 600640), (160, 503036), (268, 300320), (320, 251518), (335, 240256), (536, 150160), (640, 125759), (670, 120128), (1072, 75080), (1340, 60064), (1877, 42880), (2144, 37540), (2680, 30032), (3754, 21440), (4288, 18770), (5360, 15016), (7508, 10720), (8576, 9385)]