51811840

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 127817712

約数和(自身を除く): 76005872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 547, 592, 640, 740, 1094, 1184, 1280, 1480, 2188, 2368, 2560, 2735, 2960, 4376, 4736, 5470, 5920, 8752, 9472, 10940, 11840, 17504, 18944, 20239, 21880, 23680, 35008, 40478, 43760, 47360, 70016, 80956, 87520, 94720, 101195, 140032, 161912, 175040, 202390, 280064, 323824, 350080, 404780, 647648, 700160, 809560, 1295296, 1400320, 1619120, 2590592, 3238240, 5181184, 6476480, 10362368, 12952960, 25905920, 51811840]

約数ペア:

[(1, 51811840), (2, 25905920), (4, 12952960), (5, 10362368), (8, 6476480), (10, 5181184), (16, 3238240), (20, 2590592), (32, 1619120), (37, 1400320), (40, 1295296), (64, 809560), (74, 700160), (80, 647648), (128, 404780), (148, 350080), (160, 323824), (185, 280064), (256, 202390), (296, 175040), (320, 161912), (370, 140032), (512, 101195), (547, 94720), (592, 87520), (640, 80956), (740, 70016), (1094, 47360), (1184, 43760), (1280, 40478), (1480, 35008), (2188, 23680), (2368, 21880), (2560, 20239), (2735, 18944), (2960, 17504), (4376, 11840), (4736, 10940), (5470, 9472), (5920, 8752)]