3915679820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{212117}}^1$

素因数の和:212210

約数の個数: 48

約数和(自身を含む): 8980227648

約数和(自身を除く): 5064547828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 212117, 424234, 848468, 1060585, 2121170, 2757521, 4242340, 5515042, 11030084, 13787605, 15060307, 27575210, 30120614, 55150420, 60241228, 75301535, 150603070, 195783991, 301206140, 391567982, 783135964, 978919955, 1957839910, 3915679820]

約数ペア:

[(1, 3915679820), (2, 1957839910), (4, 978919955), (5, 783135964), (10, 391567982), (13, 301206140), (20, 195783991), (26, 150603070), (52, 75301535), (65, 60241228), (71, 55150420), (130, 30120614), (142, 27575210), (260, 15060307), (284, 13787605), (355, 11030084), (710, 5515042), (923, 4242340), (1420, 2757521), (1846, 2121170), (3692, 1060585), (4615, 848468), (9230, 424234), (18460, 212117)]