27157940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 60939648

約数和(自身を除く): 33781708

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1373, 1978, 2746, 3956, 4945, 5492, 6865, 9890, 13730, 19780, 27460, 31579, 59039, 63158, 118078, 126316, 157895, 236156, 295195, 315790, 590390, 631580, 1180780, 1357897, 2715794, 5431588, 6789485, 13578970, 27157940]

約数ペア:

[(1, 27157940), (2, 13578970), (4, 6789485), (5, 5431588), (10, 2715794), (20, 1357897), (23, 1180780), (43, 631580), (46, 590390), (86, 315790), (92, 295195), (115, 236156), (172, 157895), (215, 126316), (230, 118078), (430, 63158), (460, 59039), (860, 31579), (989, 27460), (1373, 19780), (1978, 13730), (2746, 9890), (3956, 6865), (4945, 5492)]