4200417040

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{79433}}^1$

素因数の和:80107

約数の個数: 40

約数和(自身を含む): 9780867288

約数和(自身を除く): 5580450248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 52880, 79433, 158866, 317732, 397165, 635464, 794330, 1270928, 1588660, 3177320, 6354640, 52505213, 105010426, 210020852, 262526065, 420041704, 525052130, 840083408, 1050104260, 2100208520, 4200417040]

約数ペア:

[(1, 4200417040), (2, 2100208520), (4, 1050104260), (5, 840083408), (8, 525052130), (10, 420041704), (16, 262526065), (20, 210020852), (40, 105010426), (80, 52505213), (661, 6354640), (1322, 3177320), (2644, 1588660), (3305, 1270928), (5288, 794330), (6610, 635464), (10576, 397165), (13220, 317732), (26440, 158866), (52880, 79433)]