72416942680

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1969993}}^1$

素因数の和:1970923

約数の個数: 32

約数和(自身を含む): 163115503200

約数和(自身を除く): 90698560520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 7352, 9190, 18380, 36760, 1969993, 3939986, 7879972, 9849965, 15759944, 19699930, 39399860, 78799720, 1810423567, 3620847134, 7241694268, 9052117835, 14483388536, 18104235670, 36208471340, 72416942680]

約数ペア:

[(1, 72416942680), (2, 36208471340), (4, 18104235670), (5, 14483388536), (8, 9052117835), (10, 7241694268), (20, 3620847134), (40, 1810423567), (919, 78799720), (1838, 39399860), (3676, 19699930), (4595, 15759944), (7352, 9849965), (9190, 7879972), (18380, 3939986), (36760, 1969993)]