40953217840

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1289459}}^1$

素因数の和:1289869

約数の個数: 40

約数和(自身を含む): 95456144880

約数和(自身を除く): 54502927040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 31760, 1289459, 2578918, 5157836, 6447295, 10315672, 12894590, 20631344, 25789180, 51578360, 103156720, 511915223, 1023830446, 2047660892, 2559576115, 4095321784, 5119152230, 8190643568, 10238304460, 20476608920, 40953217840]

約数ペア:

[(1, 40953217840), (2, 20476608920), (4, 10238304460), (5, 8190643568), (8, 5119152230), (10, 4095321784), (16, 2559576115), (20, 2047660892), (40, 1023830446), (80, 511915223), (397, 103156720), (794, 51578360), (1588, 25789180), (1985, 20631344), (3176, 12894590), (3970, 10315672), (6352, 6447295), (7940, 5157836), (15880, 2578918), (31760, 1289459)]