66966880

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{733}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 158702544

約数和(自身を除く): 91735664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 733, 1142, 1466, 2284, 2855, 2932, 3665, 4568, 5710, 5864, 7330, 9136, 11420, 11728, 14660, 18272, 22840, 23456, 29320, 45680, 58640, 91360, 117280, 418543, 837086, 1674172, 2092715, 3348344, 4185430, 6696688, 8370860, 13393376, 16741720, 33483440, 66966880]

約数ペア:

[(1, 66966880), (2, 33483440), (4, 16741720), (5, 13393376), (8, 8370860), (10, 6696688), (16, 4185430), (20, 3348344), (32, 2092715), (40, 1674172), (80, 837086), (160, 418543), (571, 117280), (733, 91360), (1142, 58640), (1466, 45680), (2284, 29320), (2855, 23456), (2932, 22840), (3665, 18272), (4568, 14660), (5710, 11728), (5864, 11420), (7330, 9136)]