1648657940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{4153}}^1$

素因数の和:5048

約数の個数: 48

約数和(自身を含む): 3617768448

約数和(自身を除く): 1969110508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 863, 1726, 3452, 4153, 4315, 8306, 8630, 16612, 17260, 19849, 20765, 39698, 41530, 79396, 83060, 95519, 99245, 191038, 198490, 382076, 396980, 477595, 955190, 1910380, 3584039, 7168078, 14336156, 17920195, 35840390, 71680780, 82432897, 164865794, 329731588, 412164485, 824328970, 1648657940]

約数ペア:

[(1, 1648657940), (2, 824328970), (4, 412164485), (5, 329731588), (10, 164865794), (20, 82432897), (23, 71680780), (46, 35840390), (92, 17920195), (115, 14336156), (230, 7168078), (460, 3584039), (863, 1910380), (1726, 955190), (3452, 477595), (4153, 396980), (4315, 382076), (8306, 198490), (8630, 191038), (16612, 99245), (17260, 95519), (19849, 83060), (20765, 79396), (39698, 41530)]