156936533720

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3935219}}^1$

素因数の和:3936227

約数の個数: 32

約数和(自身を含む): 353461460400

約数和(自身を除く): 196524926680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 39880, 3935219, 7870438, 15740876, 19676095, 31481752, 39352190, 78704380, 157408760, 3923413343, 7846826686, 15693653372, 19617066715, 31387306744, 39234133430, 78468266860, 156936533720]

約数ペア:

[(1, 156936533720), (2, 78468266860), (4, 39234133430), (5, 31387306744), (8, 19617066715), (10, 15693653372), (20, 7846826686), (40, 3923413343), (997, 157408760), (1994, 78704380), (3988, 39352190), (4985, 31481752), (7976, 19676095), (9970, 15740876), (19940, 7870438), (39880, 3935219)]