156694278640

素因数分解:

$2^4\times 5^1\times {\mathrm{3181}}^1\times {\mathrm{615743}}^1$

素因数の和:618937

約数の個数: 40

約数和(自身を含む): 364429317888

約数和(自身を除く): 207735039248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3181, 6362, 12724, 15905, 25448, 31810, 50896, 63620, 127240, 254480, 615743, 1231486, 2462972, 3078715, 4925944, 6157430, 9851888, 12314860, 24629720, 49259440, 1958678483, 3917356966, 7834713932, 9793392415, 15669427864, 19586784830, 31338855728, 39173569660, 78347139320, 156694278640]

約数ペア:

[(1, 156694278640), (2, 78347139320), (4, 39173569660), (5, 31338855728), (8, 19586784830), (10, 15669427864), (16, 9793392415), (20, 7834713932), (40, 3917356966), (80, 1958678483), (3181, 49259440), (6362, 24629720), (12724, 12314860), (15905, 9851888), (25448, 6157430), (31810, 4925944), (50896, 3078715), (63620, 2462972), (127240, 1231486), (254480, 615743)]