51663440

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2383}}^1$

素因数の和:2667

約数の個数: 40

約数和(自身を含む): 120611328

約数和(自身を除く): 68947888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2383, 2710, 4336, 4766, 5420, 9532, 10840, 11915, 19064, 21680, 23830, 38128, 47660, 95320, 190640, 645793, 1291586, 2583172, 3228965, 5166344, 6457930, 10332688, 12915860, 25831720, 51663440]

約数ペア:

[(1, 51663440), (2, 25831720), (4, 12915860), (5, 10332688), (8, 6457930), (10, 5166344), (16, 3228965), (20, 2583172), (40, 1291586), (80, 645793), (271, 190640), (542, 95320), (1084, 47660), (1355, 38128), (2168, 23830), (2383, 21680), (2710, 19064), (4336, 11915), (4766, 10840), (5420, 9532)]