240147280

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4597}}^1$

素因数の和:5263

約数の個数: 40

約数和(自身を含む): 559319112

約数和(自身を除く): 319171832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 4597, 5224, 6530, 9194, 10448, 13060, 18388, 22985, 26120, 36776, 45970, 52240, 73552, 91940, 183880, 367760, 3001841, 6003682, 12007364, 15009205, 24014728, 30018410, 48029456, 60036820, 120073640, 240147280]

約数ペア:

[(1, 240147280), (2, 120073640), (4, 60036820), (5, 48029456), (8, 30018410), (10, 24014728), (16, 15009205), (20, 12007364), (40, 6003682), (80, 3001841), (653, 367760), (1306, 183880), (2612, 91940), (3265, 73552), (4597, 52240), (5224, 45970), (6530, 36776), (9194, 26120), (10448, 22985), (13060, 18388)]