41640320

素因数分解:

$2^7\times 5^1\times {\mathrm{65063}}^1$

素因数の和:65082

約数の個数: 32

約数和(自身を含む): 99547920

約数和(自身を除く): 57907600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65063, 130126, 260252, 325315, 520504, 650630, 1041008, 1301260, 2082016, 2602520, 4164032, 5205040, 8328064, 10410080, 20820160, 41640320]

約数ペア:

[(1, 41640320), (2, 20820160), (4, 10410080), (5, 8328064), (8, 5205040), (10, 4164032), (16, 2602520), (20, 2082016), (32, 1301260), (40, 1041008), (64, 650630), (80, 520504), (128, 325315), (160, 260252), (320, 130126), (640, 65063)]