156645489680

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1921559}}^1$

素因数の和:1922591

約数の個数: 40

約数和(自身を含む): 364558363200

約数和(自身を除く): 207912873520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2038, 4076, 5095, 8152, 10190, 16304, 20380, 40760, 81520, 1921559, 3843118, 7686236, 9607795, 15372472, 19215590, 30744944, 38431180, 76862360, 153724720, 1958068621, 3916137242, 7832274484, 9790343105, 15664548968, 19580686210, 31329097936, 39161372420, 78322744840, 156645489680]

約数ペア:

[(1, 156645489680), (2, 78322744840), (4, 39161372420), (5, 31329097936), (8, 19580686210), (10, 15664548968), (16, 9790343105), (20, 7832274484), (40, 3916137242), (80, 1958068621), (1019, 153724720), (2038, 76862360), (4076, 38431180), (5095, 30744944), (8152, 19215590), (10190, 15372472), (16304, 9607795), (20380, 7686236), (40760, 3843118), (81520, 1921559)]