39995176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 85050000

約数和(自身を除く): 45054824

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 89, 104, 116, 149, 178, 232, 298, 356, 377, 596, 712, 754, 1157, 1192, 1508, 1937, 2314, 2581, 3016, 3874, 4321, 4628, 5162, 7748, 8642, 9256, 10324, 13261, 15496, 17284, 20648, 26522, 33553, 34568, 53044, 56173, 67106, 106088, 112346, 134212, 172393, 224692, 268424, 344786, 384569, 449384, 689572, 769138, 1379144, 1538276, 3076552, 4999397, 9998794, 19997588, 39995176]

約数ペア:

[(1, 39995176), (2, 19997588), (4, 9998794), (8, 4999397), (13, 3076552), (26, 1538276), (29, 1379144), (52, 769138), (58, 689572), (89, 449384), (104, 384569), (116, 344786), (149, 268424), (178, 224692), (232, 172393), (298, 134212), (356, 112346), (377, 106088), (596, 67106), (712, 56173), (754, 53044), (1157, 34568), (1192, 33553), (1508, 26522), (1937, 20648), (2314, 17284), (2581, 15496), (3016, 13261), (3874, 10324), (4321, 9256), (4628, 8642), (5162, 7748)]