12613280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2589

約数の個数: 48

約数和(自身を含む): 30772224

約数和(自身を除く): 18158944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2543, 4960, 5086, 10172, 12715, 20344, 25430, 40688, 50860, 78833, 81376, 101720, 157666, 203440, 315332, 394165, 406880, 630664, 788330, 1261328, 1576660, 2522656, 3153320, 6306640, 12613280]

約数ペア:

[(1, 12613280), (2, 6306640), (4, 3153320), (5, 2522656), (8, 1576660), (10, 1261328), (16, 788330), (20, 630664), (31, 406880), (32, 394165), (40, 315332), (62, 203440), (80, 157666), (124, 101720), (155, 81376), (160, 78833), (248, 50860), (310, 40688), (496, 25430), (620, 20344), (992, 12715), (1240, 10172), (2480, 5086), (2543, 4960)]