81014700280

素因数分解:

$2^3\times 5^1\times {\mathrm{5419}}^1\times {\mathrm{373753}}^1$

素因数の和:379183

約数の個数: 32

約数和(自身を含む): 182317201200

約数和(自身を除く): 101302500920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5419, 10838, 21676, 27095, 43352, 54190, 108380, 216760, 373753, 747506, 1495012, 1868765, 2990024, 3737530, 7475060, 14950120, 2025367507, 4050735014, 8101470028, 10126837535, 16202940056, 20253675070, 40507350140, 81014700280]

約数ペア:

[(1, 81014700280), (2, 40507350140), (4, 20253675070), (5, 16202940056), (8, 10126837535), (10, 8101470028), (20, 4050735014), (40, 2025367507), (5419, 14950120), (10838, 7475060), (21676, 3737530), (27095, 2990024), (43352, 1868765), (54190, 1495012), (108380, 747506), (216760, 373753)]