2560498816

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{5081}}^1$

素因数の和:5253

約数の個数: 64

約数和(自身を含む): 5308047360

約数和(自身を除く): 2747548544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 3968, 4064, 5081, 7874, 8128, 10162, 15748, 16256, 20324, 31496, 40648, 62992, 81296, 125984, 157511, 162592, 251968, 315022, 325184, 503936, 630044, 645287, 650368, 1260088, 1290574, 2520176, 2581148, 5040352, 5162296, 10080704, 10324592, 20003897, 20161408, 20649184, 40007794, 41298368, 80015588, 82596736, 160031176, 320062352, 640124704, 1280249408, 2560498816]

約数ペア:

[(1, 2560498816), (2, 1280249408), (4, 640124704), (8, 320062352), (16, 160031176), (31, 82596736), (32, 80015588), (62, 41298368), (64, 40007794), (124, 20649184), (127, 20161408), (128, 20003897), (248, 10324592), (254, 10080704), (496, 5162296), (508, 5040352), (992, 2581148), (1016, 2520176), (1984, 1290574), (2032, 1260088), (3937, 650368), (3968, 645287), (4064, 630044), (5081, 503936), (7874, 325184), (8128, 315022), (10162, 251968), (15748, 162592), (16256, 157511), (20324, 125984), (31496, 81296), (40648, 62992)]