1900201840

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{145721}}^1$

素因数の和:145897

約数の個数: 40

約数和(自身を含む): 4445103888

約数和(自身を除く): 2544902048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 145721, 291442, 582884, 728605, 1165768, 1457210, 2331536, 2914420, 5828840, 11657680, 23752523, 47505046, 95010092, 118762615, 190020184, 237525230, 380040368, 475050460, 950100920, 1900201840]

約数ペア:

[(1, 1900201840), (2, 950100920), (4, 475050460), (5, 380040368), (8, 237525230), (10, 190020184), (16, 118762615), (20, 95010092), (40, 47505046), (80, 23752523), (163, 11657680), (326, 5828840), (652, 2914420), (815, 2331536), (1304, 1457210), (1630, 1165768), (2608, 728605), (3260, 582884), (6520, 291442), (13040, 145721)]