68289040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44927}}^1$

素因数の和:44959

約数の個数: 40

約数和(自身を含む): 167132160

約数和(自身を除く): 98843120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 44927, 89854, 179708, 224635, 359416, 449270, 718832, 853613, 898540, 1707226, 1797080, 3414452, 3594160, 4268065, 6828904, 8536130, 13657808, 17072260, 34144520, 68289040]

約数ペア:

[(1, 68289040), (2, 34144520), (4, 17072260), (5, 13657808), (8, 8536130), (10, 6828904), (16, 4268065), (19, 3594160), (20, 3414452), (38, 1797080), (40, 1707226), (76, 898540), (80, 853613), (95, 718832), (152, 449270), (190, 359416), (304, 224635), (380, 179708), (760, 89854), (1520, 44927)]