26553290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 22435510

約数列:

[1, 2, 5, 10, 71, 142, 149, 251, 298, 355, 502, 710, 745, 1255, 1490, 2510, 10579, 17821, 21158, 35642, 37399, 52895, 74798, 89105, 105790, 178210, 186995, 373990, 2655329, 5310658, 13276645, 26553290]

約数ペア:

[(1, 26553290), (2, 13276645), (5, 5310658), (10, 2655329), (71, 373990), (142, 186995), (149, 178210), (251, 105790), (298, 89105), (355, 74798), (502, 52895), (710, 37399), (745, 35642), (1255, 21158), (1490, 17821), (2510, 10579)]