65416280

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2213}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 147452400

約数和(自身を除く): 82036120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2213, 2956, 3695, 4426, 5912, 7390, 8852, 11065, 14780, 17704, 22130, 29560, 44260, 88520, 1635407, 3270814, 6541628, 8177035, 13083256, 16354070, 32708140, 65416280]

約数ペア:

[(1, 65416280), (2, 32708140), (4, 16354070), (5, 13083256), (8, 8177035), (10, 6541628), (20, 3270814), (40, 1635407), (739, 88520), (1478, 44260), (2213, 29560), (2956, 22130), (3695, 17704), (4426, 14780), (5912, 11065), (7390, 8852)]