18496410880

素因数分解:

$2^8\times 5^1\times {\mathrm{251}}^1\times {\mathrm{57571}}^1$

素因数の和:57843

約数の個数: 72

約数和(自身を含む): 44481969504

約数和(自身を除く): 25985558624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 502, 640, 1004, 1255, 1280, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 20080, 32128, 40160, 57571, 64256, 80320, 115142, 160640, 230284, 287855, 321280, 460568, 575710, 921136, 1151420, 1842272, 2302840, 3684544, 4605680, 7369088, 9211360, 14450321, 14738176, 18422720, 28900642, 36845440, 57801284, 72251605, 73690880, 115602568, 144503210, 231205136, 289006420, 462410272, 578012840, 924820544, 1156025680, 1849641088, 2312051360, 3699282176, 4624102720, 9248205440, 18496410880]

約数ペア:

[(1, 18496410880), (2, 9248205440), (4, 4624102720), (5, 3699282176), (8, 2312051360), (10, 1849641088), (16, 1156025680), (20, 924820544), (32, 578012840), (40, 462410272), (64, 289006420), (80, 231205136), (128, 144503210), (160, 115602568), (251, 73690880), (256, 72251605), (320, 57801284), (502, 36845440), (640, 28900642), (1004, 18422720), (1255, 14738176), (1280, 14450321), (2008, 9211360), (2510, 7369088), (4016, 4605680), (5020, 3684544), (8032, 2302840), (10040, 1842272), (16064, 1151420), (20080, 921136), (32128, 575710), (40160, 460568), (57571, 321280), (64256, 287855), (80320, 230284), (115142, 160640)]