54992140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12671}}^1$

素因数の和:12718

約数の個数: 48

約数和(自身を含む): 136249344

約数和(自身を除く): 81257204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12671, 25342, 50684, 63355, 88697, 126710, 177394, 253420, 354788, 392801, 443485, 785602, 886970, 1571204, 1773940, 1964005, 2749607, 3928010, 5499214, 7856020, 10998428, 13748035, 27496070, 54992140]

約数ペア:

[(1, 54992140), (2, 27496070), (4, 13748035), (5, 10998428), (7, 7856020), (10, 5499214), (14, 3928010), (20, 2749607), (28, 1964005), (31, 1773940), (35, 1571204), (62, 886970), (70, 785602), (124, 443485), (140, 392801), (155, 354788), (217, 253420), (310, 177394), (434, 126710), (620, 88697), (868, 63355), (1085, 50684), (2170, 25342), (4340, 12671)]