27501940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 59830848

約数和(自身を除く): 32328908

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 283, 430, 452, 565, 566, 860, 1130, 1132, 1415, 2260, 2830, 4859, 5660, 9718, 12169, 19436, 24295, 24338, 31979, 48590, 48676, 60845, 63958, 97180, 121690, 127916, 159895, 243380, 319790, 639580, 1375097, 2750194, 5500388, 6875485, 13750970, 27501940]

約数ペア:

[(1, 27501940), (2, 13750970), (4, 6875485), (5, 5500388), (10, 2750194), (20, 1375097), (43, 639580), (86, 319790), (113, 243380), (172, 159895), (215, 127916), (226, 121690), (283, 97180), (430, 63958), (452, 60845), (565, 48676), (566, 48590), (860, 31979), (1130, 24338), (1132, 24295), (1415, 19436), (2260, 12169), (2830, 9718), (4859, 5660)]