142020775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1153}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 190317680

約数和(自身を除く): 48296905

約数列:

[1, 5, 13, 25, 65, 325, 379, 1153, 1895, 4927, 5765, 9475, 14989, 24635, 28825, 74945, 123175, 374725, 436987, 2184935, 5680831, 10924675, 28404155, 142020775]

約数ペア:

[(1, 142020775), (5, 28404155), (13, 10924675), (25, 5680831), (65, 2184935), (325, 436987), (379, 374725), (1153, 123175), (1895, 74945), (4927, 28825), (5765, 24635), (9475, 14989)]