1292980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4973}}^1$

素因数の和:4995

約数の個数: 24

約数和(自身を含む): 2924712

約数和(自身を除く): 1631732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4973, 9946, 19892, 24865, 49730, 64649, 99460, 129298, 258596, 323245, 646490, 1292980]

約数ペア:

[(1, 1292980), (2, 646490), (4, 323245), (5, 258596), (10, 129298), (13, 99460), (20, 64649), (26, 49730), (52, 24865), (65, 19892), (130, 9946), (260, 4973)]