64938940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5003}}^1$

素因数の和:5082

約数の個数: 48

約数和(自身を含む): 151320960

約数和(自身を除く): 86382020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 5003, 6490, 10006, 12980, 20012, 25015, 50030, 55033, 100060, 110066, 220132, 275165, 295177, 550330, 590354, 1100660, 1180708, 1475885, 2951770, 3246947, 5903540, 6493894, 12987788, 16234735, 32469470, 64938940]

約数ペア:

[(1, 64938940), (2, 32469470), (4, 16234735), (5, 12987788), (10, 6493894), (11, 5903540), (20, 3246947), (22, 2951770), (44, 1475885), (55, 1180708), (59, 1100660), (110, 590354), (118, 550330), (220, 295177), (236, 275165), (295, 220132), (590, 110066), (649, 100060), (1180, 55033), (1298, 50030), (2596, 25015), (3245, 20012), (5003, 12980), (6490, 10006)]