88639880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{316571}}^1$

素因数の和:316589

約数の個数: 32

約数和(自身を含む): 227931840

約数和(自身を除く): 139291960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 316571, 633142, 1266284, 1582855, 2215997, 2532568, 3165710, 4431994, 6331420, 8863988, 11079985, 12662840, 17727976, 22159970, 44319940, 88639880]

約数ペア:

[(1, 88639880), (2, 44319940), (4, 22159970), (5, 17727976), (7, 12662840), (8, 11079985), (10, 8863988), (14, 6331420), (20, 4431994), (28, 3165710), (35, 2532568), (40, 2215997), (56, 1582855), (70, 1266284), (140, 633142), (280, 316571)]