8287760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 60

約数和(自身を含む): 20899332

約数和(自身を除く): 12611572

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 613, 676, 845, 1040, 1226, 1352, 1690, 2452, 2704, 3065, 3380, 4904, 6130, 6760, 7969, 9808, 12260, 13520, 15938, 24520, 31876, 39845, 49040, 63752, 79690, 103597, 127504, 159380, 207194, 318760, 414388, 517985, 637520, 828776, 1035970, 1657552, 2071940, 4143880, 8287760]

約数ペア:

[(1, 8287760), (2, 4143880), (4, 2071940), (5, 1657552), (8, 1035970), (10, 828776), (13, 637520), (16, 517985), (20, 414388), (26, 318760), (40, 207194), (52, 159380), (65, 127504), (80, 103597), (104, 79690), (130, 63752), (169, 49040), (208, 39845), (260, 31876), (338, 24520), (520, 15938), (613, 13520), (676, 12260), (845, 9808), (1040, 7969), (1226, 6760), (1352, 6130), (1690, 4904), (2452, 3380), (2704, 3065)]