65679880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{234571}}^1$

素因数の和:234589

約数の個数: 32

約数和(自身を含む): 168891840

約数和(自身を除く): 103211960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 234571, 469142, 938284, 1172855, 1641997, 1876568, 2345710, 3283994, 4691420, 6567988, 8209985, 9382840, 13135976, 16419970, 32839940, 65679880]

約数ペア:

[(1, 65679880), (2, 32839940), (4, 16419970), (5, 13135976), (7, 9382840), (8, 8209985), (10, 6567988), (14, 4691420), (20, 3283994), (28, 2345710), (35, 1876568), (40, 1641997), (56, 1172855), (70, 938284), (140, 469142), (280, 234571)]