1294540

素因数分解:

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

素因数の和:418

約数の個数: 36

約数和(自身を含む): 2951424

約数和(自身を除く): 1656884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 383, 676, 766, 845, 1532, 1690, 1915, 3380, 3830, 4979, 7660, 9958, 19916, 24895, 49790, 64727, 99580, 129454, 258908, 323635, 647270, 1294540]

約数ペア:

[(1, 1294540), (2, 647270), (4, 323635), (5, 258908), (10, 129454), (13, 99580), (20, 64727), (26, 49790), (52, 24895), (65, 19916), (130, 9958), (169, 7660), (260, 4979), (338, 3830), (383, 3380), (676, 1915), (766, 1690), (845, 1532)]