2445440

素因数分解:

$2^7\times 5^1\times {\mathrm{3821}}^1$

素因数の和:3840

約数の個数: 32

約数和(自身を含む): 5847660

約数和(自身を除く): 3402220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3821, 7642, 15284, 19105, 30568, 38210, 61136, 76420, 122272, 152840, 244544, 305680, 489088, 611360, 1222720, 2445440]

約数ペア:

[(1, 2445440), (2, 1222720), (4, 611360), (5, 489088), (8, 305680), (10, 244544), (16, 152840), (20, 122272), (32, 76420), (40, 61136), (64, 38210), (80, 30568), (128, 19105), (160, 15284), (320, 7642), (640, 3821)]