11809720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1747}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 28789560

約数和(自身を除く): 16979840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1747, 3380, 3494, 6760, 6988, 8735, 13976, 17470, 22711, 34940, 45422, 69880, 90844, 113555, 181688, 227110, 295243, 454220, 590486, 908440, 1180972, 1476215, 2361944, 2952430, 5904860, 11809720]

約数ペア:

[(1, 11809720), (2, 5904860), (4, 2952430), (5, 2361944), (8, 1476215), (10, 1180972), (13, 908440), (20, 590486), (26, 454220), (40, 295243), (52, 227110), (65, 181688), (104, 113555), (130, 90844), (169, 69880), (260, 45422), (338, 34940), (520, 22711), (676, 17470), (845, 13976), (1352, 8735), (1690, 6988), (1747, 6760), (3380, 3494)]