17980300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13831}}^1$

素因数の和:13858

約数の個数: 36

約数和(自身を含む): 42021616

約数和(自身を除く): 24041316

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13831, 27662, 55324, 69155, 138310, 179803, 276620, 345775, 359606, 691550, 719212, 899015, 1383100, 1798030, 3596060, 4495075, 8990150, 17980300]

約数ペア:

[(1, 17980300), (2, 8990150), (4, 4495075), (5, 3596060), (10, 1798030), (13, 1383100), (20, 899015), (25, 719212), (26, 691550), (50, 359606), (52, 345775), (65, 276620), (100, 179803), (130, 138310), (260, 69155), (325, 55324), (650, 27662), (1300, 13831)]