86789200

素因数分解:

$2^4\times 5^2\times {\mathrm{216973}}^1$

素因数の和:216991

約数の個数: 30

約数和(自身を含む): 208512014

約数和(自身を除く): 121722814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 216973, 433946, 867892, 1084865, 1735784, 2169730, 3471568, 4339460, 5424325, 8678920, 10848650, 17357840, 21697300, 43394600, 86789200]

約数ペア:

[(1, 86789200), (2, 43394600), (4, 21697300), (5, 17357840), (8, 10848650), (10, 8678920), (16, 5424325), (20, 4339460), (25, 3471568), (40, 2169730), (50, 1735784), (80, 1084865), (100, 867892), (200, 433946), (400, 216973)]