13975720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 35821440

約数和(自身を除く): 21845720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1381, 2024, 2530, 2762, 5060, 5524, 6905, 10120, 11048, 13810, 15191, 27620, 30382, 31763, 55240, 60764, 63526, 75955, 121528, 127052, 151910, 158815, 254104, 303820, 317630, 349393, 607640, 635260, 698786, 1270520, 1397572, 1746965, 2795144, 3493930, 6987860, 13975720]

約数ペア:

[(1, 13975720), (2, 6987860), (4, 3493930), (5, 2795144), (8, 1746965), (10, 1397572), (11, 1270520), (20, 698786), (22, 635260), (23, 607640), (40, 349393), (44, 317630), (46, 303820), (55, 254104), (88, 158815), (92, 151910), (110, 127052), (115, 121528), (184, 75955), (220, 63526), (230, 60764), (253, 55240), (440, 31763), (460, 30382), (506, 27620), (920, 15191), (1012, 13810), (1265, 11048), (1381, 10120), (2024, 6905), (2530, 5524), (2762, 5060)]