2280453880

素因数分解:

$2^3\times 5^1\times {\mathrm{4219}}^1\times {\mathrm{13513}}^1$

素因数の和:17743

約数の個数: 32

約数和(自身を含む): 5132617200

約数和(自身を除く): 2852163320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4219, 8438, 13513, 16876, 21095, 27026, 33752, 42190, 54052, 67565, 84380, 108104, 135130, 168760, 270260, 540520, 57011347, 114022694, 228045388, 285056735, 456090776, 570113470, 1140226940, 2280453880]

約数ペア:

[(1, 2280453880), (2, 1140226940), (4, 570113470), (5, 456090776), (8, 285056735), (10, 228045388), (20, 114022694), (40, 57011347), (4219, 540520), (8438, 270260), (13513, 168760), (16876, 135130), (21095, 108104), (27026, 84380), (33752, 67565), (42190, 54052)]