4080720392

素因数分解:

$2^3\times 7^4\times {\mathrm{17}}^1\times {\mathrm{12497}}^1$

素因数の和:12548

約数の個数: 80

約数和(自身を含む): 9451862460

約数和(自身を除く): 5371142068

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 343, 392, 476, 686, 833, 952, 1372, 1666, 2401, 2744, 3332, 4802, 5831, 6664, 9604, 11662, 12497, 19208, 23324, 24994, 40817, 46648, 49988, 81634, 87479, 99976, 163268, 174958, 212449, 326536, 349916, 424898, 612353, 699832, 849796, 1224706, 1487143, 1699592, 2449412, 2974286, 4286471, 4898824, 5948572, 8572942, 10410001, 11897144, 17145884, 20820002, 30005297, 34291768, 41640004, 60010594, 72870007, 83280008, 120021188, 145740014, 240042376, 291480028, 510090049, 582960056, 1020180098, 2040360196, 4080720392]

約数ペア:

[(1, 4080720392), (2, 2040360196), (4, 1020180098), (7, 582960056), (8, 510090049), (14, 291480028), (17, 240042376), (28, 145740014), (34, 120021188), (49, 83280008), (56, 72870007), (68, 60010594), (98, 41640004), (119, 34291768), (136, 30005297), (196, 20820002), (238, 17145884), (343, 11897144), (392, 10410001), (476, 8572942), (686, 5948572), (833, 4898824), (952, 4286471), (1372, 2974286), (1666, 2449412), (2401, 1699592), (2744, 1487143), (3332, 1224706), (4802, 849796), (5831, 699832), (6664, 612353), (9604, 424898), (11662, 349916), (12497, 326536), (19208, 212449), (23324, 174958), (24994, 163268), (40817, 99976), (46648, 87479), (49988, 81634)]