30631900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23563}}^1$

素因数の和:23590

約数の個数: 36

約数和(自身を含む): 71587432

約数和(自身を除く): 40955532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 23563, 47126, 94252, 117815, 235630, 306319, 471260, 589075, 612638, 1178150, 1225276, 1531595, 2356300, 3063190, 6126380, 7657975, 15315950, 30631900]

約数ペア:

[(1, 30631900), (2, 15315950), (4, 7657975), (5, 6126380), (10, 3063190), (13, 2356300), (20, 1531595), (25, 1225276), (26, 1178150), (50, 612638), (52, 589075), (65, 471260), (100, 306319), (130, 235630), (260, 117815), (325, 94252), (650, 47126), (1300, 23563)]