65247440

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{991}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 152037888

約数和(自身を除く): 86790448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 991, 1646, 1982, 3292, 3964, 4115, 4955, 6584, 7928, 8230, 9910, 13168, 15856, 16460, 19820, 32920, 39640, 65840, 79280, 815593, 1631186, 3262372, 4077965, 6524744, 8155930, 13049488, 16311860, 32623720, 65247440]

約数ペア:

[(1, 65247440), (2, 32623720), (4, 16311860), (5, 13049488), (8, 8155930), (10, 6524744), (16, 4077965), (20, 3262372), (40, 1631186), (80, 815593), (823, 79280), (991, 65840), (1646, 39640), (1982, 32920), (3292, 19820), (3964, 16460), (4115, 15856), (4955, 13168), (6584, 9910), (7928, 8230)]