1278562360

素因数分解:

$2^3\times 5^1\times {\mathrm{6203}}^1\times {\mathrm{5153}}^1$

素因数の和:11367

約数の個数: 32

約数和(自身を含む): 2877787440

約数和(自身を除く): 1599225080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5153, 6203, 10306, 12406, 20612, 24812, 25765, 31015, 41224, 49624, 51530, 62030, 103060, 124060, 206120, 248120, 31964059, 63928118, 127856236, 159820295, 255712472, 319640590, 639281180, 1278562360]

約数ペア:

[(1, 1278562360), (2, 639281180), (4, 319640590), (5, 255712472), (8, 159820295), (10, 127856236), (20, 63928118), (40, 31964059), (5153, 248120), (6203, 206120), (10306, 124060), (12406, 103060), (20612, 62030), (24812, 51530), (25765, 49624), (31015, 41224)]