65251840

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 159096960

約数和(自身を除く): 93845120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 359, 512, 568, 640, 710, 718, 1136, 1280, 1420, 1436, 1795, 2272, 2560, 2840, 2872, 3590, 4544, 5680, 5744, 7180, 9088, 11360, 11488, 14360, 18176, 22720, 22976, 25489, 28720, 36352, 45440, 45952, 50978, 57440, 90880, 91904, 101956, 114880, 127445, 181760, 183808, 203912, 229760, 254890, 407824, 459520, 509780, 815648, 919040, 1019560, 1631296, 2039120, 3262592, 4078240, 6525184, 8156480, 13050368, 16312960, 32625920, 65251840]

約数ペア:

[(1, 65251840), (2, 32625920), (4, 16312960), (5, 13050368), (8, 8156480), (10, 6525184), (16, 4078240), (20, 3262592), (32, 2039120), (40, 1631296), (64, 1019560), (71, 919040), (80, 815648), (128, 509780), (142, 459520), (160, 407824), (256, 254890), (284, 229760), (320, 203912), (355, 183808), (359, 181760), (512, 127445), (568, 114880), (640, 101956), (710, 91904), (718, 90880), (1136, 57440), (1280, 50978), (1420, 45952), (1436, 45440), (1795, 36352), (2272, 28720), (2560, 25489), (2840, 22976), (2872, 22720), (3590, 18176), (4544, 14360), (5680, 11488), (5744, 11360), (7180, 9088)]