28247058640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11389943}}^1$

素因数の和:11389987

約数の個数: 40

約数和(自身を含む): 67792946688

約数和(自身を除く): 39545888048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11389943, 22779886, 45559772, 56949715, 91119544, 113899430, 182239088, 227798860, 353088233, 455597720, 706176466, 911195440, 1412352932, 1765441165, 2824705864, 3530882330, 5649411728, 7061764660, 14123529320, 28247058640]

約数ペア:

[(1, 28247058640), (2, 14123529320), (4, 7061764660), (5, 5649411728), (8, 3530882330), (10, 2824705864), (16, 1765441165), (20, 1412352932), (31, 911195440), (40, 706176466), (62, 455597720), (80, 353088233), (124, 227798860), (155, 182239088), (248, 113899430), (310, 91119544), (496, 56949715), (620, 45559772), (1240, 22779886), (2480, 11389943)]