19852806880

素因数分解:

$2^5\times 5^1\times {\mathrm{883}}^1\times {\mathrm{140521}}^1$

素因数の和:141419

約数の個数: 48

約数和(自身を含む): 46955707344

約数和(自身を除く): 27102900464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 883, 1766, 3532, 4415, 7064, 8830, 14128, 17660, 28256, 35320, 70640, 140521, 141280, 281042, 562084, 702605, 1124168, 1405210, 2248336, 2810420, 4496672, 5620840, 11241680, 22483360, 124080043, 248160086, 496320172, 620400215, 992640344, 1240800430, 1985280688, 2481600860, 3970561376, 4963201720, 9926403440, 19852806880]

約数ペア:

[(1, 19852806880), (2, 9926403440), (4, 4963201720), (5, 3970561376), (8, 2481600860), (10, 1985280688), (16, 1240800430), (20, 992640344), (32, 620400215), (40, 496320172), (80, 248160086), (160, 124080043), (883, 22483360), (1766, 11241680), (3532, 5620840), (4415, 4496672), (7064, 2810420), (8830, 2248336), (14128, 1405210), (17660, 1124168), (28256, 702605), (35320, 562084), (70640, 281042), (140521, 141280)]