38165140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 86824080

約数和(自身を除く): 48658940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 641, 916, 1145, 1282, 2290, 2564, 2977, 3205, 4580, 5954, 6410, 8333, 11908, 12820, 14885, 16666, 29770, 33332, 41665, 59540, 83330, 146789, 166660, 293578, 587156, 733945, 1467890, 1908257, 2935780, 3816514, 7633028, 9541285, 19082570, 38165140]

約数ペア:

[(1, 38165140), (2, 19082570), (4, 9541285), (5, 7633028), (10, 3816514), (13, 2935780), (20, 1908257), (26, 1467890), (52, 733945), (65, 587156), (130, 293578), (229, 166660), (260, 146789), (458, 83330), (641, 59540), (916, 41665), (1145, 33332), (1282, 29770), (2290, 16666), (2564, 14885), (2977, 12820), (3205, 11908), (4580, 8333), (5954, 6410)]