51480320

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 126760704

約数和(自身を除く): 75280384

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, 592, 640, 740, 1087, 1184, 1280, 1480, 2174, 2368, 2960, 4348, 4736, 5435, 5920, 8696, 9472, 10870, 11840, 17392, 21740, 23680, 34784, 40219, 43480, 47360, 69568, 80438, 86960, 139136, 160876, 173920, 201095, 278272, 321752, 347840, 402190, 643504, 695680, 804380, 1287008, 1391360, 1608760, 2574016, 3217520, 5148032, 6435040, 10296064, 12870080, 25740160, 51480320]

約数ペア:

[(1, 51480320), (2, 25740160), (4, 12870080), (5, 10296064), (8, 6435040), (10, 5148032), (16, 3217520), (20, 2574016), (32, 1608760), (37, 1391360), (40, 1287008), (64, 804380), (74, 695680), (80, 643504), (128, 402190), (148, 347840), (160, 321752), (185, 278272), (256, 201095), (296, 173920), (320, 160876), (370, 139136), (592, 86960), (640, 80438), (740, 69568), (1087, 47360), (1184, 43480), (1280, 40219), (1480, 34784), (2174, 23680), (2368, 21740), (2960, 17392), (4348, 11840), (4736, 10870), (5435, 9472), (5920, 8696)]