86397440

素因数分解:

$2^9\times 5^1\times {\mathrm{33749}}^1$

素因数の和:33772

約数の個数: 40

約数和(自身を含む): 207157500

約数和(自身を除く): 120760060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 33749, 67498, 134996, 168745, 269992, 337490, 539984, 674980, 1079968, 1349960, 2159936, 2699920, 4319872, 5399840, 8639744, 10799680, 17279488, 21599360, 43198720, 86397440]

約数ペア:

[(1, 86397440), (2, 43198720), (4, 21599360), (5, 17279488), (8, 10799680), (10, 8639744), (16, 5399840), (20, 4319872), (32, 2699920), (40, 2159936), (64, 1349960), (80, 1079968), (128, 674980), (160, 539984), (256, 337490), (320, 269992), (512, 168745), (640, 134996), (1280, 67498), (2560, 33749)]