8637940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 19187280

約数和(自身を除く): 10549340

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 281, 290, 530, 562, 580, 1060, 1124, 1405, 1537, 2810, 3074, 5620, 6148, 7685, 8149, 14893, 15370, 16298, 29786, 30740, 32596, 40745, 59572, 74465, 81490, 148930, 162980, 297860, 431897, 863794, 1727588, 2159485, 4318970, 8637940]

約数ペア:

[(1, 8637940), (2, 4318970), (4, 2159485), (5, 1727588), (10, 863794), (20, 431897), (29, 297860), (53, 162980), (58, 148930), (106, 81490), (116, 74465), (145, 59572), (212, 40745), (265, 32596), (281, 30740), (290, 29786), (530, 16298), (562, 15370), (580, 14893), (1060, 8149), (1124, 7685), (1405, 6148), (1537, 5620), (2810, 3074)]