209367040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{10223}}^1$

素因数の和:10252

約数の個数: 52

約数和(自身を含む): 502468704

約数和(自身を除く): 293101664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10223, 10240, 20446, 20480, 40892, 51115, 81784, 102230, 163568, 204460, 327136, 408920, 654272, 817840, 1308544, 1635680, 2617088, 3271360, 5234176, 6542720, 10468352, 13085440, 20936704, 26170880, 41873408, 52341760, 104683520, 209367040]

約数ペア:

[(1, 209367040), (2, 104683520), (4, 52341760), (5, 41873408), (8, 26170880), (10, 20936704), (16, 13085440), (20, 10468352), (32, 6542720), (40, 5234176), (64, 3271360), (80, 2617088), (128, 1635680), (160, 1308544), (256, 817840), (320, 654272), (512, 408920), (640, 327136), (1024, 204460), (1280, 163568), (2048, 102230), (2560, 81784), (4096, 51115), (5120, 40892), (10223, 20480), (10240, 20446)]