64681520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35153}}^1$

素因数の和:35189

約数の個数: 40

約数和(自身を含む): 156927456

約数和(自身を除く): 92245936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 35153, 70306, 140612, 175765, 281224, 351530, 562448, 703060, 808519, 1406120, 1617038, 2812240, 3234076, 4042595, 6468152, 8085190, 12936304, 16170380, 32340760, 64681520]

約数ペア:

[(1, 64681520), (2, 32340760), (4, 16170380), (5, 12936304), (8, 8085190), (10, 6468152), (16, 4042595), (20, 3234076), (23, 2812240), (40, 1617038), (46, 1406120), (80, 808519), (92, 703060), (115, 562448), (184, 351530), (230, 281224), (368, 175765), (460, 140612), (920, 70306), (1840, 35153)]