47942420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 104182848

約数和(自身を除く): 56240428

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 428, 430, 521, 535, 860, 1042, 1070, 2084, 2140, 2605, 4601, 5210, 9202, 10420, 18404, 22403, 23005, 44806, 46010, 55747, 89612, 92020, 111494, 112015, 222988, 224030, 278735, 448060, 557470, 1114940, 2397121, 4794242, 9588484, 11985605, 23971210, 47942420]

約数ペア:

[(1, 47942420), (2, 23971210), (4, 11985605), (5, 9588484), (10, 4794242), (20, 2397121), (43, 1114940), (86, 557470), (107, 448060), (172, 278735), (214, 224030), (215, 222988), (428, 112015), (430, 111494), (521, 92020), (535, 89612), (860, 55747), (1042, 46010), (1070, 44806), (2084, 23005), (2140, 22403), (2605, 18404), (4601, 10420), (5210, 9202)]