12409840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2543}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 29337408

約数和(自身を除く): 16927568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2543, 4880, 5086, 10172, 12715, 20344, 25430, 40688, 50860, 101720, 155123, 203440, 310246, 620492, 775615, 1240984, 1551230, 2481968, 3102460, 6204920, 12409840]

約数ペア:

[(1, 12409840), (2, 6204920), (4, 3102460), (5, 2481968), (8, 1551230), (10, 1240984), (16, 775615), (20, 620492), (40, 310246), (61, 203440), (80, 155123), (122, 101720), (244, 50860), (305, 40688), (488, 25430), (610, 20344), (976, 12715), (1220, 10172), (2440, 5086), (2543, 4880)]