205076800

素因数分解:

$2^6\times 5^2\times {\mathrm{128173}}^1$

素因数の和:128195

約数の個数: 42

約数和(自身を含む): 504621038

約数和(自身を除く): 299544238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 128173, 256346, 512692, 640865, 1025384, 1281730, 2050768, 2563460, 3204325, 4101536, 5126920, 6408650, 8203072, 10253840, 12817300, 20507680, 25634600, 41015360, 51269200, 102538400, 205076800]

約数ペア:

[(1, 205076800), (2, 102538400), (4, 51269200), (5, 41015360), (8, 25634600), (10, 20507680), (16, 12817300), (20, 10253840), (25, 8203072), (32, 6408650), (40, 5126920), (50, 4101536), (64, 3204325), (80, 2563460), (100, 2050768), (160, 1281730), (200, 1025384), (320, 640865), (400, 512692), (800, 256346), (1600, 128173)]