157718720

素因数分解:

$2^6\times 5^1\times {\mathrm{492871}}^1$

素因数の和:492888

約数の個数: 28

約数和(自身を含む): 375568464

約数和(自身を除く): 217849744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 492871, 985742, 1971484, 2464355, 3942968, 4928710, 7885936, 9857420, 15771872, 19714840, 31543744, 39429680, 78859360, 157718720]

約数ペア:

[(1, 157718720), (2, 78859360), (4, 39429680), (5, 31543744), (8, 19714840), (10, 15771872), (16, 9857420), (20, 7885936), (32, 4928710), (40, 3942968), (64, 2464355), (80, 1971484), (160, 985742), (320, 492871)]