54644380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20578

約数の個数: 48

約数和(自身を含む): 138055680

約数和(自身を除く): 83411300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20543, 41086, 82172, 102715, 143801, 205430, 287602, 390317, 410860, 575204, 719005, 780634, 1438010, 1561268, 1951585, 2732219, 2876020, 3903170, 5464438, 7806340, 10928876, 13661095, 27322190, 54644380]

約数ペア:

[(1, 54644380), (2, 27322190), (4, 13661095), (5, 10928876), (7, 7806340), (10, 5464438), (14, 3903170), (19, 2876020), (20, 2732219), (28, 1951585), (35, 1561268), (38, 1438010), (70, 780634), (76, 719005), (95, 575204), (133, 410860), (140, 390317), (190, 287602), (266, 205430), (380, 143801), (532, 102715), (665, 82172), (1330, 41086), (2660, 20543)]