2589080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 6324480

約数和(自身を除く): 3735400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 383, 520, 676, 766, 845, 1352, 1532, 1690, 1915, 3064, 3380, 3830, 4979, 6760, 7660, 9958, 15320, 19916, 24895, 39832, 49790, 64727, 99580, 129454, 199160, 258908, 323635, 517816, 647270, 1294540, 2589080]

約数ペア:

[(1, 2589080), (2, 1294540), (4, 647270), (5, 517816), (8, 323635), (10, 258908), (13, 199160), (20, 129454), (26, 99580), (40, 64727), (52, 49790), (65, 39832), (104, 24895), (130, 19916), (169, 15320), (260, 9958), (338, 7660), (383, 6760), (520, 4979), (676, 3830), (766, 3380), (845, 3064), (1352, 1915), (1532, 1690)]